1149374562 has 64 divisors (see below), whose sum is σ = 2770867200. Its totient is φ = 310495680.

The previous prime is 1149374557. The next prime is 1149374579. The reversal of 1149374562 is 2654739411.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 526389 + ... + 528567.

It is an arithmetic number, because the mean of its divisors is an integer number (43294800).

Almost surely, 2^1149374562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1149374562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1385433600).

1149374562 is an abundant number, since it is smaller than the sum of its proper divisors (1621492638).

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

1149374562 is a wasteful number, since it uses less digits than its factorization.

1149374562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871.

The product of its digits is 181440, while the sum is 42.

The square root of 1149374562 is about 33902.4270812578. The cubic root of 1149374562 is about 1047.4995868861.

The spelling of 1149374562 in words is "one billion, one hundred forty-nine million, three hundred seventy-four thousand, five hundred sixty-two".