157061047 has 16 divisors (see below), whose sum is σ = 185889312. Its totient is φ = 130821120.

The previous prime is 157061039. The next prime is 157061063. The reversal of 157061047 is 740160751.

It is a cyclic number.

It is not a de Polignac number, because 157061047 - 2³ = 157061039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157031047) 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 15 ways as a sum of consecutive naturals, for example, 15583 + ... + 23599.

It is an arithmetic number, because the mean of its divisors is an integer number (11618082).

Almost surely, 2^157061047 is an apocalyptic number.

157061047 is a deficient number, since it is larger than the sum of its proper divisors (28828265).

157061047 is a wasteful number, since it uses less digits than its factorization.

157061047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8178.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 157061047 is about 12532.3998898854. The cubic root of 157061047 is about 539.5389835269.

The spelling of 157061047 in words is "one hundred fifty-seven million, sixty-one thousand, forty-seven".