1154862864 has 60 divisors (see below), whose sum is σ = 3402126000. Its totient is φ = 364692672.

The previous prime is 1154862851. The next prime is 1154862893. The reversal of 1154862864 is 4682684511.

It is a happy number.

1154862864 is a `hidden beast` number, since 1 + 15 + 4 + 8 + 628 + 6 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208314 + ... + 213785.

It is an arithmetic number, because the mean of its divisors is an integer number (56702100).

Almost surely, 2^1154862864 is an apocalyptic number.

It is an amenable number.

1154862864 is an abundant number, since it is smaller than the sum of its proper divisors (2247263136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1154862864 is a wasteful number, since it uses less digits than its factorization.

1154862864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422132 (or 422123 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 1154862864 is about 33983.2732973150. The cubic root of 1154862864 is about 1049.1642219895.

The spelling of 1154862864 in words is "one billion, one hundred fifty-four million, eight hundred sixty-two thousand, eight hundred sixty-four".