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145498992 = 2435357193
BaseRepresentation
bin10001010110000…
…10001101110000
3101010210010002120
420223002031300
5244221431432
622234314240
73414502212
oct1053021560
9333703076
10145498992
1175148601
1240888980
13241b42a2
14154765b2
15cb90c2c
hex8ac2370

145498992 has 40 divisors (see below), whose sum is σ = 382971024. Its totient is φ = 47583744.

The previous prime is 145498967. The next prime is 145499021. The reversal of 145498992 is 299894541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26053 + ... + 31140.

Almost surely, 2145498992 is an apocalyptic number.

145498992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145498992 is an abundant number, since it is smaller than the sum of its proper divisors (237472032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145498992 is a wasteful number, since it uses less digits than its factorization.

145498992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57257 (or 57251 counting only the distinct ones).

The product of its digits is 933120, while the sum is 51.

The square root of 145498992 is about 12062.2962987982. The cubic root of 145498992 is about 525.9607405628.

The spelling of 145498992 in words is "one hundred forty-five million, four hundred ninety-eight thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 53 106 159 212 318 424 636 848 1272 2544 57193 114386 171579 228772 343158 457544 686316 915088 1372632 2745264 3031229 6062458 9093687 12124916 18187374 24249832 36374748 48499664 72749496 145498992