545642475 has 72 divisors (see below), whose sum is σ = 1088501760. Its totient is φ = 236226240.

The previous prime is 545642467. The next prime is 545642507. The reversal of 545642475 is 574246545.

It is not a de Polignac number, because 545642475 - 2³ = 545642467 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 188086 + ... + 190964.

It is an arithmetic number, because the mean of its divisors is an integer number (15118080).

Almost surely, 2^545642475 is an apocalyptic number.

545642475 is a deficient number, since it is larger than the sum of its proper divisors (542859285).

545642475 is a wasteful number, since it uses less digits than its factorization.

545642475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2937 (or 2913 counting only the distinct ones).

The product of its digits is 672000, while the sum is 42.

The square root of 545642475 is about 23358.9913095579. The cubic root of 545642475 is about 817.1517655687.

The spelling of 545642475 in words is "five hundred forty-five million, six hundred forty-two thousand, four hundred seventy-five".