45031361 has 2 divisors, whose sum is σ = 45031362. Its totient is φ = 45031360.

The previous prime is 45031333. The next prime is 45031373. The reversal of 45031361 is 16313054.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26584336 + 18447025 = 5156^2 + 4295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45031361 is a prime.

It is not a weakly prime, because it can be changed into another prime (45031321) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22515680 + 22515681.

It is an arithmetic number, because the mean of its divisors is an integer number (22515681).

Almost surely, 2^45031361 is an apocalyptic number.

It is an amenable number.

45031361 is a deficient number, since it is larger than the sum of its proper divisors (1).

45031361 is an equidigital number, since it uses as much as digits as its factorization.

45031361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 45031361 is about 6710.5410363100. The cubic root of 45031361 is about 355.7719392105.

The spelling of 45031361 in words is "forty-five million, thirty-one thousand, three hundred sixty-one".