157015347 has 4 divisors (see below), whose sum is σ = 209353800. Its totient is φ = 104676896.

The previous prime is 157015337. The next prime is 157015351. The reversal of 157015347 is 743510751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 743510751 = 3 ⋅247836917.

It is a cyclic number.

It is not a de Polignac number, because 157015347 - 2⁶ = 157015283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157015337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26169222 + ... + 26169227.

It is an arithmetic number, because the mean of its divisors is an integer number (52338450).

Almost surely, 2^157015347 is an apocalyptic number.

157015347 is a deficient number, since it is larger than the sum of its proper divisors (52338453).

157015347 is an equidigital number, since it uses as much as digits as its factorization.

157015347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52338452.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 157015347 is about 12530.5764831471. The cubic root of 157015347 is about 539.4866486251.

The spelling of 157015347 in words is "one hundred fifty-seven million, fifteen thousand, three hundred forty-seven".