1157086442 has 16 divisors (see below), whose sum is σ = 1745967552. Its totient is φ = 575104320.

The previous prime is 1157086433. The next prime is 1157086471. The reversal of 1157086442 is 2446807511.

It is a junction number, because it is equal to n+sod(n) for n = 1157086396 and 1157086405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650258 + ... + 652034.

It is an arithmetic number, because the mean of its divisors is an integer number (109122972).

Almost surely, 2^1157086442 is an apocalyptic number.

1157086442 is a deficient number, since it is larger than the sum of its proper divisors (588881110).

1157086442 is a wasteful number, since it uses less digits than its factorization.

1157086442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 1157086442 is about 34015.9733360667. The cubic root of 1157086442 is about 1049.8371454153.

The spelling of 1157086442 in words is "one billion, one hundred fifty-seven million, eighty-six thousand, four hundred forty-two".