612145274 has 32 divisors (see below), whose sum is σ = 1004814720. Its totient is φ = 278004672.

The previous prime is 612145273. The next prime is 612145327. The reversal of 612145274 is 472541216.

612145274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 612145274.

It is not an unprimeable number, because it can be changed into a prime (612145271) 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, 478724 + ... + 480000.

It is an arithmetic number, because the mean of its divisors is an integer number (31400460).

Almost surely, 2^612145274 is an apocalyptic number.

612145274 is a deficient number, since it is larger than the sum of its proper divisors (392669446).

612145274 is a wasteful number, since it uses less digits than its factorization.

612145274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574.

The product of its digits is 13440, while the sum is 32.

The square root of 612145274 is about 24741.5697561816. The cubic root of 612145274 is about 849.0856483808.

The spelling of 612145274 in words is "six hundred twelve million, one hundred forty-five thousand, two hundred seventy-four".