44142164 has 24 divisors (see below), whose sum is σ = 84520800. Its totient is φ = 20005280.

The previous prime is 44142157. The next prime is 44142169. The reversal of 44142164 is 46124144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44142169) by changing a digit.

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, 15827 + ... + 18405.

It is an arithmetic number, because the mean of its divisors is an integer number (3521700).

Almost surely, 2^44142164 is an apocalyptic number.

44142164 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

44142164 is a deficient number, since it is larger than the sum of its proper divisors (40378636).

44142164 is a wasteful number, since it uses less digits than its factorization.

44142164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983 (or 2981 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 44142164 is about 6643.9569535029. The cubic root of 44142164 is about 353.4146432864.

The spelling of 44142164 in words is "forty-four million, one hundred forty-two thousand, one hundred sixty-four".