1514931945 has 16 divisors (see below), whose sum is σ = 2424851520. Its totient is φ = 807643584.

The previous prime is 1514931911. The next prime is 1514931947. The reversal of 1514931945 is 5491394151.

It is not a de Polignac number, because 1514931945 - 2⁶ = 1514931881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1514931897 and 1514931906.

It is not an unprimeable number, because it can be changed into a prime (1514931947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21951 + ... + 59259.

It is an arithmetic number, because the mean of its divisors is an integer number (151553220).

Almost surely, 2^1514931945 is an apocalyptic number.

1514931945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1514931945 is a deficient number, since it is larger than the sum of its proper divisors (909919575).

1514931945 is a wasteful number, since it uses less digits than its factorization.

1514931945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40024.

The product of its digits is 97200, while the sum is 42.

The square root of 1514931945 is about 38922.1266762236. The cubic root of 1514931945 is about 1148.5001101485.

The spelling of 1514931945 in words is "one billion, five hundred fourteen million, nine hundred thirty-one thousand, nine hundred forty-five".