45243679 has 4 divisors (see below), whose sum is σ = 48723976. Its totient is φ = 41763384.

The previous prime is 45243673. The next prime is 45243689. The reversal of 45243679 is 97634254.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45243679 - 2⁷ = 45243551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45243673) 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, 1740129 + ... + 1740154.

It is an arithmetic number, because the mean of its divisors is an integer number (12180994).

Almost surely, 2^45243679 is an apocalyptic number.

45243679 is a deficient number, since it is larger than the sum of its proper divisors (3480297).

45243679 is a wasteful number, since it uses less digits than its factorization.

45243679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480296.

The product of its digits is 181440, while the sum is 40.

The square root of 45243679 is about 6726.3421708979. The cubic root of 45243679 is about 356.3302048205.

The spelling of 45243679 in words is "forty-five million, two hundred forty-three thousand, six hundred seventy-nine".