916742145 has 32 divisors (see below), whose sum is σ = 1604597760. Its totient is φ = 443240640.

The previous prime is 916742143. The next prime is 916742179. The reversal of 916742145 is 541247619.

It is not a de Polignac number, because 916742145 - 2¹ = 916742143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (916742143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52986 + ... + 68124.

It is an arithmetic number, because the mean of its divisors is an integer number (50143680).

Almost surely, 2^916742145 is an apocalyptic number.

It is an amenable number.

916742145 is a deficient number, since it is larger than the sum of its proper divisors (687855615).

916742145 is a wasteful number, since it uses less digits than its factorization.

916742145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15525.

The product of its digits is 60480, while the sum is 39.

The square root of 916742145 is about 30277.7499989679. The cubic root of 916742145 is about 971.4394418529.

The spelling of 916742145 in words is "nine hundred sixteen million, seven hundred forty-two thousand, one hundred forty-five".