45029423 has 4 divisors (see below), whose sum is σ = 46987248. Its totient is φ = 43071600.

The previous prime is 45029401. The next prime is 45029429. The reversal of 45029423 is 32492054.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45029423 - 2⁸ = 45029167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45029429) 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, 978878 + ... + 978923.

It is an arithmetic number, because the mean of its divisors is an integer number (11746812).

Almost surely, 2^45029423 is an apocalyptic number.

45029423 is a deficient number, since it is larger than the sum of its proper divisors (1957825).

45029423 is a wasteful number, since it uses less digits than its factorization.

45029423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957824.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 45029423 is about 6710.3966350731. The cubic root of 45029423 is about 355.7668353903.

The spelling of 45029423 in words is "forty-five million, twenty-nine thousand, four hundred twenty-three".