45975819 has 8 divisors (see below), whose sum is σ = 61535232. Its totient is φ = 30533480.

The previous prime is 45975791. The next prime is 45975841. The reversal of 45975819 is 91857954.

45975819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45975819 - 2⁸ = 45975563 is a prime.

It is a super-2 number, since 2×45975819² = 4227551865441522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45975859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28347 + ... + 29924.

It is an arithmetic number, because the mean of its divisors is an integer number (7691904).

Almost surely, 2^45975819 is an apocalyptic number.

45975819 is a deficient number, since it is larger than the sum of its proper divisors (15559413).

45975819 is a wasteful number, since it uses less digits than its factorization.

45975819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58537.

The product of its digits is 453600, while the sum is 48.

The square root of 45975819 is about 6780.5471018200. The cubic root of 45975819 is about 358.2419922706.

The spelling of 45975819 in words is "forty-five million, nine hundred seventy-five thousand, eight hundred nineteen".