45319998 has 8 divisors (see below), whose sum is σ = 90640008. Its totient is φ = 15106664.

The previous prime is 45319991. The next prime is 45319999. The reversal of 45319998 is 89991354.

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

45319998 is an admirable number.

It is a super-3 number, since 3×45319998³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45319991) 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, 3776661 + ... + 3776672.

It is an arithmetic number, because the mean of its divisors is an integer number (11330001).

Almost surely, 2^45319998 is an apocalyptic number.

45319998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45319998 is a wasteful number, since it uses less digits than its factorization.

45319998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7553338.

The product of its digits is 349920, while the sum is 48.

The square root of 45319998 is about 6732.0129233388. The cubic root of 45319998 is about 356.5304500165.

The spelling of 45319998 in words is "forty-five million, three hundred nineteen thousand, nine hundred ninety-eight".