2145051374 has 8 divisors (see below), whose sum is σ = 3222598608. Its totient is φ = 1070851840.

The previous prime is 2145051353. The next prime is 2145051383. The reversal of 2145051374 is 4731505412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2145051374.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835322 + ... + 837885.

It is an arithmetic number, because the mean of its divisors is an integer number (402824826).

Almost surely, 2^2145051374 is an apocalyptic number.

2145051374 is a deficient number, since it is larger than the sum of its proper divisors (1077547234).

2145051374 is a wasteful number, since it uses less digits than its factorization.

2145051374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673850.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 2145051374 is about 46314.6993296945. The cubic root of 2145051374 is about 1289.6718861840.

Adding to 2145051374 its reverse (4731505412), we get a palindrome (6876556786).

The spelling of 2145051374 in words is "two billion, one hundred forty-five million, fifty-one thousand, three hundred seventy-four".