44998139 has 2 divisors, whose sum is σ = 44998140. Its totient is φ = 44998138.

The previous prime is 44998127. The next prime is 44998141. The reversal of 44998139 is 93189944.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44998139 - 2⁴ = 44998123 is a prime.

Together with 44998141, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 44998093 and 44998102.

It is not a weakly prime, because it can be changed into another prime (44998199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22499069 + 22499070.

It is an arithmetic number, because the mean of its divisors is an integer number (22499070).

Almost surely, 2^44998139 is an apocalyptic number.

44998139 is a deficient number, since it is larger than the sum of its proper divisors (1).

44998139 is an equidigital number, since it uses as much as digits as its factorization.

44998139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 47.

The square root of 44998139 is about 6708.0652203150. The cubic root of 44998139 is about 355.6844271381.

The spelling of 44998139 in words is "forty-four million, nine hundred ninety-eight thousand, one hundred thirty-nine".