45299519 has 4 divisors (see below), whose sum is σ = 45335640. Its totient is φ = 45263400.

The previous prime is 45299497. The next prime is 45299521. The reversal of 45299519 is 91599254.

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 45299519 - 2²⁴ = 28522303 is a prime.

It is a super-2 number, since 2×45299519² = 4104092843262722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45299519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45299549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16109 + ... + 18710.

It is an arithmetic number, because the mean of its divisors is an integer number (11333910).

Almost surely, 2^45299519 is an apocalyptic number.

45299519 is a deficient number, since it is larger than the sum of its proper divisors (36121).

45299519 is a wasteful number, since it uses less digits than its factorization.

45299519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36120.

The product of its digits is 145800, while the sum is 44.

The square root of 45299519 is about 6730.4917353786. The cubic root of 45299519 is about 356.4767394586.

The spelling of 45299519 in words is "forty-five million, two hundred ninety-nine thousand, five hundred nineteen".