45099729 has 12 divisors (see below), whose sum is σ = 65377936. Its totient is φ = 29958552.

The previous prime is 45099701. The next prime is 45099739. The reversal of 45099729 is 92799054.

It is not a de Polignac number, because 45099729 - 2⁷ = 45099601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45099739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6307 + ... + 11400.

Almost surely, 2^45099729 is an apocalyptic number.

It is an amenable number.

45099729 is a deficient number, since it is larger than the sum of its proper divisors (20278207).

45099729 is a wasteful number, since it uses less digits than its factorization.

45099729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17996 (or 17993 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 45099729 is about 6715.6331793808. The cubic root of 45099729 is about 355.9518961431.

The spelling of 45099729 in words is "forty-five million, ninety-nine thousand, seven hundred twenty-nine".