45515119 has 4 divisors (see below), whose sum is σ = 49016296. Its totient is φ = 42013944.

The previous prime is 45515117. The next prime is 45515167. The reversal of 45515119 is 91151554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45515119 - 2¹ = 45515117 is a prime.

It is a super-3 number, since 3×45515119³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45515111) 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, 1750569 + ... + 1750594.

It is an arithmetic number, because the mean of its divisors is an integer number (12254074).

Almost surely, 2^45515119 is an apocalyptic number.

45515119 is a deficient number, since it is larger than the sum of its proper divisors (3501177).

45515119 is a wasteful number, since it uses less digits than its factorization.

45515119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3501176.

The product of its digits is 4500, while the sum is 31.

The square root of 45515119 is about 6746.4893833756. The cubic root of 45515119 is about 357.0413869219.

The spelling of 45515119 in words is "forty-five million, five hundred fifteen thousand, one hundred nineteen".