874539945 has 48 divisors (see below), whose sum is σ = 1544355072. Its totient is φ = 457712640.

The previous prime is 874539943. The next prime is 874539989. The reversal of 874539945 is 549935478.

It is not a de Polignac number, because 874539945 - 2¹ = 874539943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 874539891 and 874539900.

It is not an unprimeable number, because it can be changed into a prime (874539943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1299129 + ... + 1299801.

It is an arithmetic number, because the mean of its divisors is an integer number (32174064).

Almost surely, 2^874539945 is an apocalyptic number.

It is an amenable number.

874539945 is a deficient number, since it is larger than the sum of its proper divisors (669815127).

874539945 is a wasteful number, since it uses less digits than its factorization.

874539945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182 (or 1179 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 874539945 is about 29572.6215442595. The cubic root of 874539945 is about 956.2979327504.

The spelling of 874539945 in words is "eight hundred seventy-four million, five hundred thirty-nine thousand, nine hundred forty-five".