45672442 has 8 divisors (see below), whose sum is σ = 70179732. Its totient is φ = 22279200.

The previous prime is 45672439. The next prime is 45672449. The reversal of 45672442 is 24427654.

It can be written as a sum of positive squares in 2 ways, for example, as 45441081 + 231361 = 6741^2 + 481^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 45672398 and 45672407.

It is not an unprimeable number, because it can be changed into a prime (45672449) 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, 278409 + ... + 278572.

Almost surely, 2^45672442 is an apocalyptic number.

45672442 is a deficient number, since it is larger than the sum of its proper divisors (24507290).

45672442 is a wasteful number, since it uses less digits than its factorization.

45672442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557024.

The product of its digits is 53760, while the sum is 34.

The square root of 45672442 is about 6758.1389450055. The cubic root of 45672442 is about 357.4522850234.

The spelling of 45672442 in words is "forty-five million, six hundred seventy-two thousand, four hundred forty-two".