157301240 has 32 divisors (see below), whose sum is σ = 354332880. Its totient is φ = 62848512.

The previous prime is 157301233. The next prime is 157301251. The reversal of 157301240 is 42103751.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45824 + ... + 49136.

Almost surely, 2^157301240 is an apocalyptic number.

157301240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157301240 is an abundant number, since it is smaller than the sum of its proper divisors (197031640).

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

157301240 is a wasteful number, since it uses less digits than its factorization.

157301240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4511 (or 4507 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 157301240 is about 12541.9791101724. The cubic root of 157301240 is about 539.8138819041.

Adding to 157301240 its reverse (42103751), we get a palindrome (199404991).

The spelling of 157301240 in words is "one hundred fifty-seven million, three hundred one thousand, two hundred forty".