45870869 has 4 divisors (see below), whose sum is σ = 50040960. Its totient is φ = 41700780.

The previous prime is 45870857. The next prime is 45870871. The reversal of 45870869 is 96807854.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45870869 - 2²⁴ = 29093653 is a prime.

It is a super-2 number, since 2×45870869² = 4208273245630322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45870169) 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, 2085029 + ... + 2085050.

It is an arithmetic number, because the mean of its divisors is an integer number (12510240).

Almost surely, 2^45870869 is an apocalyptic number.

It is an amenable number.

45870869 is a deficient number, since it is larger than the sum of its proper divisors (4170091).

45870869 is a wasteful number, since it uses less digits than its factorization.

45870869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170090.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 45870869 is about 6772.8036292218. The cubic root of 45870869 is about 357.9691956683.

The spelling of 45870869 in words is "forty-five million, eight hundred seventy thousand, eight hundred sixty-nine".