45009629 has 4 divisors (see below), whose sum is σ = 51439584. Its totient is φ = 38579676.

The previous prime is 45009623. The next prime is 45009637. The reversal of 45009629 is 92690054.

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 a de Polignac number, because none of the positive numbers 2^k-45009629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45009623) 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, 3214967 + ... + 3214980.

It is an arithmetic number, because the mean of its divisors is an integer number (12859896).

Almost surely, 2^45009629 is an apocalyptic number.

It is an amenable number.

45009629 is a deficient number, since it is larger than the sum of its proper divisors (6429955).

45009629 is an equidigital number, since it uses as much as digits as its factorization.

45009629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6429954.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 45009629 is about 6708.9215973955. The cubic root of 45009629 is about 355.7146985105.

The spelling of 45009629 in words is "forty-five million, nine thousand, six hundred twenty-nine".