45994519 has 8 divisors (see below), whose sum is σ = 46464768. Its totient is φ = 45527040.

The previous prime is 45994517. The next prime is 45994523. The reversal of 45994519 is 91549954.

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 45994519 - 2¹ = 45994517 is a prime.

It is a super-2 number, since 2×45994519² = 4230991556082722, 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 (45994517) 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, 48619 + ... + 49555.

It is an arithmetic number, because the mean of its divisors is an integer number (5808096).

Almost surely, 2^45994519 is an apocalyptic number.

45994519 is a deficient number, since it is larger than the sum of its proper divisors (470249).

45994519 is a wasteful number, since it uses less digits than its factorization.

45994519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385.

The product of its digits is 291600, while the sum is 46.

The square root of 45994519 is about 6781.9259064074. The cubic root of 45994519 is about 358.2905556049.

The spelling of 45994519 in words is "forty-five million, nine hundred ninety-four thousand, five hundred nineteen".