45214618 has 8 divisors (see below), whose sum is σ = 69101748. Its totient is φ = 22180704.

The previous prime is 45214613. The next prime is 45214633. The reversal of 45214618 is 81641254.

It can be written as a sum of positive squares in 2 ways, for example, as 35247969 + 9966649 = 5937^2 + 3157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 45214618.

It is not an unprimeable number, because it can be changed into a prime (45214613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213171 + ... + 213382.

Almost surely, 2^45214618 is an apocalyptic number.

45214618 is a deficient number, since it is larger than the sum of its proper divisors (23887130).

45214618 is a wasteful number, since it uses less digits than its factorization.

45214618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426608.

The product of its digits is 7680, while the sum is 31.

The square root of 45214618 is about 6724.1815858884. The cubic root of 45214618 is about 356.2538955971.

The spelling of 45214618 in words is "forty-five million, two hundred fourteen thousand, six hundred eighteen".