45020438 has 8 divisors (see below), whose sum is σ = 67564800. Its totient is φ = 22498840.

The previous prime is 45020431. The next prime is 45020467. The reversal of 45020438 is 83402054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45020431) 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, 683 + ... + 9513.

It is an arithmetic number, because the mean of its divisors is an integer number (8445600).

Almost surely, 2^45020438 is an apocalyptic number.

45020438 is the 3587-th centered heptagonal number.

45020438 is a deficient number, since it is larger than the sum of its proper divisors (22544362).

45020438 is a wasteful number, since it uses less digits than its factorization.

45020438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11382.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 45020438 is about 6709.7271181472. The cubic root of 45020438 is about 355.7431710287.

The spelling of 45020438 in words is "forty-five million, twenty thousand, four hundred thirty-eight".