45744290 has 8 divisors (see below), whose sum is σ = 82339740. Its totient is φ = 18297712.

The previous prime is 45744289. The next prime is 45744299. The reversal of 45744290 is 9244754.

It can be written as a sum of positive squares in 2 ways, for example, as 44903401 + 840889 = 6701^2 + 917^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45744290.

It is not an unprimeable number, because it can be changed into a prime (45744299) 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, 2287205 + ... + 2287224.

Almost surely, 2^45744290 is an apocalyptic number.

45744290 is a deficient number, since it is larger than the sum of its proper divisors (36595450).

45744290 is a wasteful number, since it uses less digits than its factorization.

45744290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4574436.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 45744290 is about 6763.4525207175. The cubic root of 45744290 is about 357.6396246632.

The spelling of 45744290 in words is "forty-five million, seven hundred forty-four thousand, two hundred ninety".