45404402 has 8 divisors (see below), whose sum is σ = 69947436. Its totient is φ = 22088592.

The previous prime is 45404383. The next prime is 45404407. The reversal of 45404402 is 20440454.

45404402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 31259281 + 14145121 = 5591^2 + 3761^2 .

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

It is not an unprimeable number, because it can be changed into a prime (45404407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306713 + ... + 306860.

Almost surely, 2^45404402 is an apocalyptic number.

45404402 is a deficient number, since it is larger than the sum of its proper divisors (24543034).

45404402 is a wasteful number, since it uses less digits than its factorization.

45404402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613612.

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 45404402 is about 6738.2788603619. The cubic root of 45404402 is about 356.7516469512.

Adding to 45404402 its reverse (20440454), we get a palindrome (65844856).

The spelling of 45404402 in words is "forty-five million, four hundred four thousand, four hundred two".