45173842 has 16 divisors (see below), whose sum is σ = 77568192. Its totient is φ = 19328400.

The previous prime is 45173837. The next prime is 45173857. The reversal of 45173842 is 24837154.

It is a junction number, because it is equal to n+sod(n) for n = 45173798 and 45173807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7513 + ... + 12115.

It is an arithmetic number, because the mean of its divisors is an integer number (4848012).

Almost surely, 2^45173842 is an apocalyptic number.

45173842 is a deficient number, since it is larger than the sum of its proper divisors (32394350).

45173842 is a wasteful number, since it uses less digits than its factorization.

45173842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5313.

The product of its digits is 26880, while the sum is 34.

The square root of 45173842 is about 6721.1488601280. The cubic root of 45173842 is about 356.1467696385.

The spelling of 45173842 in words is "forty-five million, one hundred seventy-three thousand, eight hundred forty-two".