1155137474 has 16 divisors (see below), whose sum is σ = 1743658488. Its totient is φ = 573925632.

The previous prime is 1155137461. The next prime is 1155137513. The reversal of 1155137474 is 4747315511.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1152127249 + 3010225 = 33943^2 + 1735^2 .

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, 476714 + ... + 479130.

Almost surely, 2^1155137474 is an apocalyptic number.

1155137474 is a deficient number, since it is larger than the sum of its proper divisors (588521014).

1155137474 is a wasteful number, since it uses less digits than its factorization.

1155137474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3829.

The product of its digits is 58800, while the sum is 38.

The square root of 1155137474 is about 33987.3134272187. The cubic root of 1155137474 is about 1049.2473741867.

The spelling of 1155137474 in words is "one billion, one hundred fifty-five million, one hundred thirty-seven thousand, four hundred seventy-four".