2145357124 has 9 divisors (see below), whose sum is σ = 3754537087. Its totient is φ = 1072632244.

The previous prime is 2145357119. The next prime is 2145357209. The reversal of 2145357124 is 4217535412.

The square root of 2145357124 is 46318.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2145357124.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 81057 + ... + 104215.

Almost surely, 2^2145357124 is an apocalyptic number.

2145357124 is the 46318-th square number.

It is an amenable number.

2145357124 is a deficient number, since it is larger than the sum of its proper divisors (1609179963).

2145357124 is an frugal number, since it uses more digits than its factorization.

2145357124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46322 (or 23161 counting only the distinct ones).

The product of its digits is 33600, while the sum is 34.

The cubic root of 2145357124 is about 1289.7331587562.

The spelling of 2145357124 in words is "two billion, one hundred forty-five million, three hundred fifty-seven thousand, one hundred twenty-four".