45725851 has 2 divisors, whose sum is σ = 45725852. Its totient is φ = 45725850.

The previous prime is 45725843. The next prime is 45725879. The reversal of 45725851 is 15852754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45725851 - 2³ = 45725843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45725851.

It is not a weakly prime, because it can be changed into another prime (45723851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22862925 + 22862926.

It is an arithmetic number, because the mean of its divisors is an integer number (22862926).

Almost surely, 2^45725851 is an apocalyptic number.

45725851 is a deficient number, since it is larger than the sum of its proper divisors (1).

45725851 is an equidigital number, since it uses as much as digits as its factorization.

45725851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56000, while the sum is 37.

The square root of 45725851 is about 6762.0892481540. The cubic root of 45725851 is about 357.5915647247.

The spelling of 45725851 in words is "forty-five million, seven hundred twenty-five thousand, eight hundred fifty-one".