508697145 has 64 divisors (see below), whose sum is σ = 989971200. Its totient is φ = 245790720.

The previous prime is 508697131. The next prime is 508697173. The reversal of 508697145 is 541796805.

It is not a de Polignac number, because 508697145 - 2⁴ = 508697129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 508697145.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 755529 + ... + 756201.

It is an arithmetic number, because the mean of its divisors is an integer number (15468300).

Almost surely, 2^508697145 is an apocalyptic number.

508697145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

508697145 is a deficient number, since it is larger than the sum of its proper divisors (481274055).

508697145 is a wasteful number, since it uses less digits than its factorization.

508697145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207 (or 1201 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 508697145 is about 22554.3154407311. The cubic root of 508697145 is about 798.2760506878.

The spelling of 508697145 in words is "five hundred eight million, six hundred ninety-seven thousand, one hundred forty-five".