45113519 has 6 divisors (see below), whose sum is σ = 49587720. Its totient is φ = 41012180.

The previous prime is 45113501. The next prime is 45113521. The reversal of 45113519 is 91531154.

45113519 = T₁₆₃₇ + T₁₆₃₈ + ... + T₁₆₆₉.

It is not a de Polignac number, because 45113519 - 2¹² = 45109423 is a prime.

It is a super-2 number, since 2×45113519² = 4070459193126722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45113491 and 45113500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45113599) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 186299 + ... + 186540.

It is an arithmetic number, because the mean of its divisors is an integer number (8264620).

Almost surely, 2^45113519 is an apocalyptic number.

45113519 is a deficient number, since it is larger than the sum of its proper divisors (4474201).

45113519 is a wasteful number, since it uses less digits than its factorization.

45113519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372861 (or 372850 counting only the distinct ones).

The product of its digits is 2700, while the sum is 29.

The square root of 45113519 is about 6716.6598097566. The cubic root of 45113519 is about 355.9881718706.

It can be divided in two parts, 451135 and 19, that added together give a palindrome (451154).

The spelling of 45113519 in words is "forty-five million, one hundred thirteen thousand, five hundred nineteen".