545120634 has 32 divisors (see below), whose sum is σ = 1103382144. Its totient is φ = 179524800.

The previous prime is 545120633. The next prime is 545120683. The reversal of 545120634 is 436021545.

It is a super-2 number, since 2×545120634² = 594313011225123912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (545120633) 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, 498192 + ... + 499284.

It is an arithmetic number, because the mean of its divisors is an integer number (34480692).

Almost surely, 2^545120634 is an apocalyptic number.

545120634 is an abundant number, since it is smaller than the sum of its proper divisors (558261510).

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

545120634 is a wasteful number, since it uses less digits than its factorization.

545120634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 545120634 is about 23347.8186133095. The cubic root of 545120634 is about 816.8911802178.

The spelling of 545120634 in words is "five hundred forty-five million, one hundred twenty thousand, six hundred thirty-four".