153561450 has 48 divisors (see below), whose sum is σ = 435240000. Its totient is φ = 35099520.

The previous prime is 153561431. The next prime is 153561451. The reversal of 153561450 is 54165351.

It is a super-2 number, since 2×153561450² = 47162237852205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (153561451) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 72075 + ... + 74174.

It is an arithmetic number, because the mean of its divisors is an integer number (9067500).

Almost surely, 2^153561450 is an apocalyptic number.

153561450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

153561450 is an abundant number, since it is smaller than the sum of its proper divisors (281678550).

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

153561450 is a wasteful number, since it uses less digits than its factorization.

153561450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146271 (or 146266 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 153561450 is about 12391.9913653940. The cubic root of 153561450 is about 535.5015531222.

The spelling of 153561450 in words is "one hundred fifty-three million, five hundred sixty-one thousand, four hundred fifty".