157116240 has 80 divisors (see below), whose sum is σ = 541185600. Its totient is φ = 41897088.

The previous prime is 157116209. The next prime is 157116241. The reversal of 157116240 is 42611751.

It is a happy number.

157116240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157116241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34210 + ... + 38529.

It is an arithmetic number, because the mean of its divisors is an integer number (6764820).

Almost surely, 2^157116240 is an apocalyptic number.

157116240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157116240 is an abundant number, since it is smaller than the sum of its proper divisors (384069360).

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

157116240 is a wasteful number, since it uses less digits than its factorization.

157116240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72761 (or 72749 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 157116240 is about 12534.6017088697. The cubic root of 157116240 is about 539.6021761266.

Adding to 157116240 its reverse (42611751), we get a palindrome (199727991).

The spelling of 157116240 in words is "one hundred fifty-seven million, one hundred sixteen thousand, two hundred forty".