514020144 has 40 divisors (see below), whose sum is σ = 1448603712. Its totient is φ = 155763520.

The previous prime is 514020137. The next prime is 514020173. The reversal of 514020144 is 441020415.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 514020144.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486234 + ... + 487289.

Almost surely, 2^514020144 is an apocalyptic number.

It is an amenable number.

514020144 is an abundant number, since it is smaller than the sum of its proper divisors (934583568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

514020144 is a wasteful number, since it uses less digits than its factorization.

514020144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973545 (or 973539 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 514020144 is about 22672.0123500319. The cubic root of 514020144 is about 801.0507775622.

Adding to 514020144 its reverse (441020415), we get a palindrome (955040559).

The spelling of 514020144 in words is "five hundred fourteen million, twenty thousand, one hundred forty-four".