153555140 has 12 divisors (see below), whose sum is σ = 322465836. Its totient is φ = 61422048.

The previous prime is 153555139. The next prime is 153555161. The reversal of 153555140 is 41555351.

It can be written as a sum of positive squares in 2 ways, for example, as 31629376 + 121925764 = 5624^2 + 11042^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3838859 + ... + 3838898.

It is an arithmetic number, because the mean of its divisors is an integer number (26872153).

Almost surely, 2^153555140 is an apocalyptic number.

153555140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153555140 is an abundant number, since it is smaller than the sum of its proper divisors (168910696).

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

153555140 is a wasteful number, since it uses less digits than its factorization.

153555140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7677766 (or 7677764 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 153555140 is about 12391.7367628594. The cubic root of 153555140 is about 535.4942182494.

The spelling of 153555140 in words is "one hundred fifty-three million, five hundred fifty-five thousand, one hundred forty".