45624319 has 8 divisors (see below), whose sum is σ = 49369712. Its totient is φ = 41912640.

The previous prime is 45624289. The next prime is 45624323. The reversal of 45624319 is 91342654.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 45624319 - 2¹³ = 45616127 is a prime.

It is a super-2 number, since 2×45624319² = 4163156968427522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45624329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5574 + ... + 11059.

It is an arithmetic number, because the mean of its divisors is an integer number (6171214).

Almost surely, 2^45624319 is an apocalyptic number.

45624319 is a deficient number, since it is larger than the sum of its proper divisors (3745393).

45624319 is a wasteful number, since it uses less digits than its factorization.

45624319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16857.

The product of its digits is 25920, while the sum is 34.

The square root of 45624319 is about 6754.5776329834. The cubic root of 45624319 is about 357.3266971004.

The spelling of 45624319 in words is "forty-five million, six hundred twenty-four thousand, three hundred nineteen".