44345137 has 2 divisors, whose sum is σ = 44345138. Its totient is φ = 44345136.

The previous prime is 44345123. The next prime is 44345177. The reversal of 44345137 is 73154344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42107121 + 2238016 = 6489^2 + 1496^2 .

It is a cyclic number.

It is not a de Polignac number, because 44345137 - 2⁷ = 44345009 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 44345099 and 44345108.

It is not a weakly prime, because it can be changed into another prime (44345117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22172568 + 22172569.

It is an arithmetic number, because the mean of its divisors is an integer number (22172569).

Almost surely, 2^44345137 is an apocalyptic number.

It is an amenable number.

44345137 is a deficient number, since it is larger than the sum of its proper divisors (1).

44345137 is an equidigital number, since it uses as much as digits as its factorization.

44345137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 31.

The square root of 44345137 is about 6659.2144431607. The cubic root of 44345137 is about 353.9555015513.

The spelling of 44345137 in words is "forty-four million, three hundred forty-five thousand, one hundred thirty-seven".