2145937474 has 16 divisors (see below), whose sum is σ = 3247614720. Its totient is φ = 1063442160.

The previous prime is 2145937429. The next prime is 2145937477. The reversal of 2145937474 is 4747395412.

It is not an unprimeable number, because it can be changed into a prime (2145937477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91629 + ... + 112639.

It is an arithmetic number, because the mean of its divisors is an integer number (202975920).

Almost surely, 2^2145937474 is an apocalyptic number.

2145937474 is a deficient number, since it is larger than the sum of its proper divisors (1101677246).

2145937474 is a wasteful number, since it uses less digits than its factorization.

2145937474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21465.

The product of its digits is 846720, while the sum is 46.

The square root of 2145937474 is about 46324.2644194163. The cubic root of 2145937474 is about 1289.8494454026.

The spelling of 2145937474 in words is "two billion, one hundred forty-five million, nine hundred thirty-seven thousand, four hundred seventy-four".