545172790 has 32 divisors (see below), whose sum is σ = 997427520. Its totient is φ = 214502400.

The previous prime is 545172767. The next prime is 545172829. The reversal of 545172790 is 97271545.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 539806 + ... + 540814.

It is an arithmetic number, because the mean of its divisors is an integer number (31169610).

Almost surely, 2^545172790 is an apocalyptic number.

545172790 is a deficient number, since it is larger than the sum of its proper divisors (452254730).

545172790 is a wasteful number, since it uses less digits than its factorization.

545172790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848.

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 545172790 is about 23348.9355217749. The cubic root of 545172790 is about 816.9172321991.

The spelling of 545172790 in words is "five hundred forty-five million, one hundred seventy-two thousand, seven hundred ninety".