153565980 has 48 divisors (see below), whose sum is σ = 452618880. Its totient is φ = 38795328.

The previous prime is 153565969. The next prime is 153566027. The reversal of 153565980 is 89565351.

153565980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66214 + ... + 68493.

It is an arithmetic number, because the mean of its divisors is an integer number (9429560).

Almost surely, 2^153565980 is an apocalyptic number.

153565980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153565980 is an abundant number, since it is smaller than the sum of its proper divisors (299052900).

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

153565980 is a wasteful number, since it uses less digits than its factorization.

153565980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134738 (or 134736 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The square root of 153565980 is about 12392.1741433858. The cubic root of 153565980 is about 535.5068187627.

The spelling of 153565980 in words is "one hundred fifty-three million, five hundred sixty-five thousand, nine hundred eighty".