45344251 has 2 divisors, whose sum is σ = 45344252. Its totient is φ = 45344250.

The previous prime is 45344171. The next prime is 45344267. The reversal of 45344251 is 15244354.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45344251 - 2¹¹ = 45342203 is a prime.

It is a super-2 number, since 2×45344251² = 4112202197502002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45344281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22672125 + 22672126.

It is an arithmetic number, because the mean of its divisors is an integer number (22672126).

Almost surely, 2^45344251 is an apocalyptic number.

45344251 is a deficient number, since it is larger than the sum of its proper divisors (1).

45344251 is an equidigital number, since it uses as much as digits as its factorization.

45344251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 28.

The square root of 45344251 is about 6733.8140009953. The cubic root of 45344251 is about 356.5940377730.

The spelling of 45344251 in words is "forty-five million, three hundred forty-four thousand, two hundred fifty-one".