157240268 has 6 divisors (see below), whose sum is σ = 275170476. Its totient is φ = 78620132.

The previous prime is 157240253. The next prime is 157240271. The reversal of 157240268 is 862042751.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19655030 + ... + 19655037.

It is an arithmetic number, because the mean of its divisors is an integer number (45861746).

Almost surely, 2^157240268 is an apocalyptic number.

It is an amenable number.

157240268 is a deficient number, since it is larger than the sum of its proper divisors (117930208).

157240268 is a wasteful number, since it uses less digits than its factorization.

157240268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39310071 (or 39310069 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 157240268 is about 12539.5481577288. The cubic root of 157240268 is about 539.7441266043.

The spelling of 157240268 in words is "one hundred fifty-seven million, two hundred forty thousand, two hundred sixty-eight".