45219867 has 32 divisors (see below), whose sum is σ = 79134720. Its totient is φ = 22252320.

The previous prime is 45219851. The next prime is 45219869. The reversal of 45219867 is 76891254.

It is not a de Polignac number, because 45219867 - 2⁴ = 45219851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45219869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 763 + ... + 9540.

It is an arithmetic number, because the mean of its divisors is an integer number (2472960).

Almost surely, 2^45219867 is an apocalyptic number.

45219867 is a deficient number, since it is larger than the sum of its proper divisors (33914853).

45219867 is a wasteful number, since it uses less digits than its factorization.

45219867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10343.

The product of its digits is 120960, while the sum is 42.

The square root of 45219867 is about 6724.5718822837. The cubic root of 45219867 is about 356.2676809938.

It can be divided in two parts, 45 and 219867, that added together give a palindrome (219912).

The spelling of 45219867 in words is "forty-five million, two hundred nineteen thousand, eight hundred sixty-seven".