157286061 has 6 divisors (see below), whose sum is σ = 227190990. Its totient is φ = 104857368.

The previous prime is 157286027. The next prime is 157286069. The reversal of 157286061 is 160682751.

157286061 is a `hidden beast` number, since 1 + 572 + 86 + 0 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 157025961 + 260100 = 12531^2 + 510^2 .

It is not a de Polignac number, because 157286061 - 2⁹ = 157285549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157286069) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8738106 + ... + 8738123.

It is an arithmetic number, because the mean of its divisors is an integer number (37865165).

Almost surely, 2^157286061 is an apocalyptic number.

It is an amenable number.

157286061 is a deficient number, since it is larger than the sum of its proper divisors (69904929).

157286061 is a wasteful number, since it uses less digits than its factorization.

157286061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17476235 (or 17476232 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 157286061 is about 12541.3739677916. The cubic root of 157286061 is about 539.7965179840.

The spelling of 157286061 in words is "one hundred fifty-seven million, two hundred eighty-six thousand, sixty-one".