45998719 has 8 divisors (see below), whose sum is σ = 52451280. Its totient is φ = 39962496.

The previous prime is 45998713. The next prime is 45998741. The reversal of 45998719 is 91789954.

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 45998719 - 2⁹ = 45998207 is a prime.

It is a super-2 number, since 2×45998719² = 4231764299281922, 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 (45998713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103849 + ... + 104290.

It is an arithmetic number, because the mean of its divisors is an integer number (6556410).

Almost surely, 2^45998719 is an apocalyptic number.

45998719 is a deficient number, since it is larger than the sum of its proper divisors (6452561).

45998719 is a wasteful number, since it uses less digits than its factorization.

45998719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208169.

The product of its digits is 816480, while the sum is 52.

The square root of 45998719 is about 6782.2355458949. The cubic root of 45998719 is about 358.3014610676.

The spelling of 45998719 in words is "forty-five million, nine hundred ninety-eight thousand, seven hundred nineteen".