45051729 has 4 divisors (see below), whose sum is σ = 60068976. Its totient is φ = 30034484.

The previous prime is 45051719. The next prime is 45051737. The reversal of 45051729 is 92715054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45051729 - 2⁸ = 45051473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45051729.

It is not an unprimeable number, because it can be changed into a prime (45051719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7508619 + ... + 7508624.

It is an arithmetic number, because the mean of its divisors is an integer number (15017244).

Almost surely, 2^45051729 is an apocalyptic number.

It is an amenable number.

45051729 is a deficient number, since it is larger than the sum of its proper divisors (15017247).

45051729 is a wasteful number, since it uses less digits than its factorization.

45051729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15017246.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 45051729 is about 6712.0584770993. The cubic root of 45051729 is about 355.8255705054.

The spelling of 45051729 in words is "forty-five million, fifty-one thousand, seven hundred twenty-nine".