157765648 has 40 divisors (see below), whose sum is σ = 319943808. Its totient is φ = 75220992.

The previous prime is 157765639. The next prime is 157765679. The reversal of 157765648 is 846567751.

It is a happy number.

It is a super-3 number, since 3×157765648³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211965 + ... + 212707.

Almost surely, 2^157765648 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 157765648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159971904).

157765648 is an abundant number, since it is smaller than the sum of its proper divisors (162178160).

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

157765648 is a wasteful number, since it uses less digits than its factorization.

157765648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351 (or 1345 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 49.

The square root of 157765648 is about 12560.4796086774. The cubic root of 157765648 is about 540.3445994354.

The spelling of 157765648 in words is "one hundred fifty-seven million, seven hundred sixty-five thousand, six hundred forty-eight".