1100945158 has 16 divisors (see below), whose sum is σ = 1739326320. Its totient is φ = 521202816.

The previous prime is 1100945137. The next prime is 1100945173. The reversal of 1100945158 is 8515490011.

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, 68466 + ... + 83002.

It is an arithmetic number, because the mean of its divisors is an integer number (108707895).

Almost surely, 2^1100945158 is an apocalyptic number.

1100945158 is a deficient number, since it is larger than the sum of its proper divisors (638381162).

1100945158 is a wasteful number, since it uses less digits than its factorization.

1100945158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16551.

The product of its (nonzero) digits is 7200, while the sum is 34.

The square root of 1100945158 is about 33180.4936370754. The cubic root of 1100945158 is about 1032.5756877292.

The spelling of 1100945158 in words is "one billion, one hundred million, nine hundred forty-five thousand, one hundred fifty-eight".