316145890 has 32 divisors (see below), whose sum is σ = 584660736. Its totient is φ = 123016320.

The previous prime is 316145887. The next prime is 316145891. The reversal of 316145890 is 98541613.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (316145891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115174 + ... + 117886.

It is an arithmetic number, because the mean of its divisors is an integer number (18270648).

Almost surely, 2^316145890 is an apocalyptic number.

316145890 is a deficient number, since it is larger than the sum of its proper divisors (268514846).

316145890 is a wasteful number, since it uses less digits than its factorization.

316145890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3034.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 316145890 is about 17780.4918379667. The cubic root of 316145890 is about 681.2332651390.

The spelling of 316145890 in words is "three hundred sixteen million, one hundred forty-five thousand, eight hundred ninety".