2145090252904 has 16 divisors (see below), whose sum is σ = 4072956177600. Its totient is φ = 1058968605552.

The previous prime is 2145090252887. The next prime is 2145090252923. The reversal of 2145090252904 is 4092520905412.

It is a super-3 number, since 3×2145090252904³ (a number of 38 digits) contains 333 as substring.

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, 1697064442 + ... + 1697065705.

It is an arithmetic number, because the mean of its divisors is an integer number (254559761100).

Almost surely, 2^{2145090252904} is an apocalyptic number.

It is an amenable number.

2145090252904 is a deficient number, since it is larger than the sum of its proper divisors (1927865924696).

2145090252904 is a wasteful number, since it uses less digits than its factorization.

2145090252904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394130232 (or 3394130228 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 2145090252904 in words is "two trillion, one hundred forty-five billion, ninety million, two hundred fifty-two thousand, nine hundred four".