157034240 has 144 divisors (see below), whose sum is σ = 432673920. Its totient is φ = 54005760.

The previous prime is 157034209. The next prime is 157034281. The reversal of 157034240 is 42430751.

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, 267227 + ... + 267813.

It is an arithmetic number, because the mean of its divisors is an integer number (3004680).

Almost surely, 2^157034240 is an apocalyptic number.

157034240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157034240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216336960).

157034240 is an abundant number, since it is smaller than the sum of its proper divisors (275639680).

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

157034240 is a wasteful number, since it uses less digits than its factorization.

157034240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 157034240 is about 12531.3303364008. The cubic root of 157034240 is about 539.5082858147.

Adding to 157034240 its reverse (42430751), we get a palindrome (199464991).

The spelling of 157034240 in words is "one hundred fifty-seven million, thirty-four thousand, two hundred forty".