1155245674 has 32 divisors (see below), whose sum is σ = 1906644096. Its totient is φ = 520624320.

The previous prime is 1155245617. The next prime is 1155245687. The reversal of 1155245674 is 4765425511.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1785219 + ... + 1785865.

It is an arithmetic number, because the mean of its divisors is an integer number (59582628).

Almost surely, 2^1155245674 is an apocalyptic number.

1155245674 is a deficient number, since it is larger than the sum of its proper divisors (751398422).

1155245674 is a wasteful number, since it uses less digits than its factorization.

1155245674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230.

The product of its digits is 168000, while the sum is 40.

The square root of 1155245674 is about 33988.9051603608. The cubic root of 1155245674 is about 1049.2801336415.

The spelling of 1155245674 in words is "one billion, one hundred fifty-five million, two hundred forty-five thousand, six hundred seventy-four".