45200731 has 2 divisors, whose sum is σ = 45200732. Its totient is φ = 45200730.

The previous prime is 45200693. The next prime is 45200741. The reversal of 45200731 is 13700254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45200731 - 2⁹ = 45200219 is a prime.

It is a super-2 number, since 2×45200731² = 4086212165868722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45200741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22600365 + 22600366.

It is an arithmetic number, because the mean of its divisors is an integer number (22600366).

Almost surely, 2^45200731 is an apocalyptic number.

45200731 is a deficient number, since it is larger than the sum of its proper divisors (1).

45200731 is an equidigital number, since it uses as much as digits as its factorization.

45200731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 45200731 is about 6723.1488902151. The cubic root of 45200731 is about 356.2174191606.

Adding to 45200731 its reverse (13700254), we get a palindrome (58900985).

The spelling of 45200731 in words is "forty-five million, two hundred thousand, seven hundred thirty-one".