157317470 has 32 divisors (see below), whose sum is σ = 298147392. Its totient is φ = 59648512.

The previous prime is 157317463. The next prime is 157317487. The reversal of 157317470 is 74713751.

157317470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 157317470.

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, 22964 + ... + 29016.

It is an arithmetic number, because the mean of its divisors is an integer number (9317106).

Almost surely, 2^157317470 is an apocalyptic number.

157317470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157317470 is a deficient number, since it is larger than the sum of its proper divisors (140829922).

157317470 is a wasteful number, since it uses less digits than its factorization.

157317470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6196.

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 157317470 is about 12542.6261205539. The cubic root of 157317470 is about 539.8324468733.

The spelling of 157317470 in words is "one hundred fifty-seven million, three hundred seventeen thousand, four hundred seventy".