45643042 has 8 divisors (see below), whose sum is σ = 70825500. Its totient is φ = 22034544.

The previous prime is 45643033. The next prime is 45643043. The reversal of 45643042 is 24034654.

It can be written as a sum of positive squares in 2 ways, for example, as 41718681 + 3924361 = 6459^2 + 1981^2 .

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 45643042.

It is not an unprimeable number, because it can be changed into a prime (45643043) 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, 393417 + ... + 393532.

Almost surely, 2^45643042 is an apocalyptic number.

45643042 is a deficient number, since it is larger than the sum of its proper divisors (25182458).

45643042 is a wasteful number, since it uses less digits than its factorization.

45643042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786980.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 45643042 is about 6755.9634398063. The cubic root of 45643042 is about 357.3755695215.

Adding to 45643042 its reverse (24034654), we get a palindrome (69677696).

The spelling of 45643042 in words is "forty-five million, six hundred forty-three thousand, forty-two".