45167840 has 24 divisors (see below), whose sum is σ = 106709400. Its totient is φ = 18067072.

The previous prime is 45167839. The next prime is 45167851. The reversal of 45167840 is 4876154.

It is a self number, because there is not a number n which added to its sum of digits gives 45167840.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 140990 + ... + 141309.

It is an arithmetic number, because the mean of its divisors is an integer number (4446225).

Almost surely, 2^45167840 is an apocalyptic number.

45167840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45167840 is an abundant number, since it is smaller than the sum of its proper divisors (61541560).

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

45167840 is a wasteful number, since it uses less digits than its factorization.

45167840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282314 (or 282306 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 45167840 is about 6720.7023442494. The cubic root of 45167840 is about 356.1309958522.

The spelling of 45167840 in words is "forty-five million, one hundred sixty-seven thousand, eight hundred forty".