45737551 has 2 divisors, whose sum is σ = 45737552. Its totient is φ = 45737550.

The previous prime is 45737539. The next prime is 45737581. The reversal of 45737551 is 15573754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45737551 - 2¹⁹ = 45213263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45737551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45737581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22868775 + 22868776.

It is an arithmetic number, because the mean of its divisors is an integer number (22868776).

Almost surely, 2^45737551 is an apocalyptic number.

45737551 is a deficient number, since it is larger than the sum of its proper divisors (1).

45737551 is an equidigital number, since it uses as much as digits as its factorization.

45737551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73500, while the sum is 37.

The square root of 45737551 is about 6762.9543100630. The cubic root of 45737551 is about 357.6220614381.

The spelling of 45737551 in words is "forty-five million, seven hundred thirty-seven thousand, five hundred fifty-one".