91560142 has 16 divisors (see below), whose sum is σ = 138885120. Its totient is φ = 45267768.

The previous prime is 91560137. The next prime is 91560173. The reversal of 91560142 is 24106519.

It is a self number, because there is not a number n which added to its sum of digits gives 91560142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138609 + ... + 139267.

It is an arithmetic number, because the mean of its divisors is an integer number (8680320).

Almost surely, 2^91560142 is an apocalyptic number.

91560142 is a deficient number, since it is larger than the sum of its proper divisors (47324978).

91560142 is a wasteful number, since it uses less digits than its factorization.

91560142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 91560142 is about 9568.7063911482. The cubic root of 91560142 is about 450.7151460059.

The spelling of 91560142 in words is "ninety-one million, five hundred sixty thousand, one hundred forty-two".