157539816 has 224 divisors, whose sum is σ = 538280640. Its totient is φ = 42177024.

The previous prime is 157539793. The next prime is 157539883. The reversal of 157539816 is 618935751.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 693895 + ... + 694121.

Almost surely, 2^157539816 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 157539816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269140320).

157539816 is an abundant number, since it is smaller than the sum of its proper divisors (380740824).

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

157539816 is a wasteful number, since it uses less digits than its factorization.

157539816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 256 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 157539816 is about 12551.4866051795. The cubic root of 157539816 is about 540.0866527609.

The spelling of 157539816 in words is "one hundred fifty-seven million, five hundred thirty-nine thousand, eight hundred sixteen".