145265628 has 24 divisors (see below), whose sum is σ = 349888000. Its totient is φ = 46859760.

The previous prime is 145265609. The next prime is 145265647. The reversal of 145265628 is 826562541.

It is an interprime number because it is at equal distance from previous prime (145265609) and next prime (145265647).

It is a super-2 number, since 2×145265628² = 42204205356468768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194878 + ... + 195621.

Almost surely, 2^145265628 is an apocalyptic number.

It is an amenable number.

145265628 is an abundant number, since it is smaller than the sum of its proper divisors (204622372).

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

145265628 is a wasteful number, since it uses less digits than its factorization.

145265628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390537 (or 390535 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 145265628 is about 12052.6191344454. The cubic root of 145265628 is about 525.6793961593.

The spelling of 145265628 in words is "one hundred forty-five million, two hundred sixty-five thousand, six hundred twenty-eight".