157622556 has 192 divisors, whose sum is σ = 487710720. Its totient is φ = 38465280.

The previous prime is 157622533. The next prime is 157622557. The reversal of 157622556 is 655226751.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157622557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1473055 + ... + 1473161.

It is an arithmetic number, because the mean of its divisors is an integer number (2540160).

Almost surely, 2^157622556 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 157622556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243855360).

157622556 is an abundant number, since it is smaller than the sum of its proper divisors (330088164).

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

157622556 is a wasteful number, since it uses less digits than its factorization.

157622556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 222 counting only the distinct ones).

The product of its digits is 126000, while the sum is 39.

The square root of 157622556 is about 12554.7821964381. The cubic root of 157622556 is about 540.1811874843.

The spelling of 157622556 in words is "one hundred fifty-seven million, six hundred twenty-two thousand, five hundred fifty-six".