45140737 has 2 divisors, whose sum is σ = 45140738. Its totient is φ = 45140736.

The previous prime is 45140701. The next prime is 45140759. The reversal of 45140737 is 73704154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44142736 + 998001 = 6644^2 + 999^2 .

It is a cyclic number.

It is not a de Polignac number, because 45140737 - 2¹⁵ = 45107969 is a prime.

It is a super-2 number, since 2×45140737² = 4075372273806338, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45140699 and 45140708.

It is not a weakly prime, because it can be changed into another prime (45140437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22570368 + 22570369.

It is an arithmetic number, because the mean of its divisors is an integer number (22570369).

Almost surely, 2^45140737 is an apocalyptic number.

It is an amenable number.

45140737 is a deficient number, since it is larger than the sum of its proper divisors (1).

45140737 is an equidigital number, since it uses as much as digits as its factorization.

45140737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 45140737 is about 6718.6856601571. The cubic root of 45140737 is about 356.0597493662.

The spelling of 45140737 in words is "forty-five million, one hundred forty thousand, seven hundred thirty-seven".