44142979 has 2 divisors, whose sum is σ = 44142980. Its totient is φ = 44142978.

The previous prime is 44142953. The next prime is 44143009. The reversal of 44142979 is 97924144.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44142979 - 2⁷ = 44142851 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44142949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22071489 + 22071490.

It is an arithmetic number, because the mean of its divisors is an integer number (22071490).

Almost surely, 2^44142979 is an apocalyptic number.

44142979 is a deficient number, since it is larger than the sum of its proper divisors (1).

44142979 is an equidigital number, since it uses as much as digits as its factorization.

44142979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 44142979 is about 6644.0182871512. The cubic root of 44142979 is about 353.4168183132.

The spelling of 44142979 in words is "forty-four million, one hundred forty-two thousand, nine hundred seventy-nine".