153401556 has 144 divisors (see below), whose sum is σ = 467232192. Its totient is φ = 38707200.

The previous prime is 153401539. The next prime is 153401569. The reversal of 153401556 is 655104351.

It is a super-2 number, since 2×153401556² = 47064074766442272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 238996 + ... + 239636.

It is an arithmetic number, because the mean of its divisors is an integer number (3244668).

Almost surely, 2^153401556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 153401556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233616096).

153401556 is an abundant number, since it is smaller than the sum of its proper divisors (313830636).

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

153401556 is a wasteful number, since it uses less digits than its factorization.

153401556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 701 counting only the distinct ones).

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

The square root of 153401556 is about 12385.5381796674. The cubic root of 153401556 is about 535.3156270740.

The spelling of 153401556 in words is "one hundred fifty-three million, four hundred one thousand, five hundred fifty-six".