45486442 has 8 divisors (see below), whose sum is σ = 70582500. Its totient is φ = 21958944.

The previous prime is 45486421. The next prime is 45486451. The reversal of 45486442 is 24468454.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 39576681 + 5909761 = 6291^2 + 2431^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392067 + ... + 392182.

Almost surely, 2^45486442 is an apocalyptic number.

45486442 is a deficient number, since it is larger than the sum of its proper divisors (25096058).

45486442 is a wasteful number, since it uses less digits than its factorization.

45486442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784280.

The product of its digits is 122880, while the sum is 37.

The square root of 45486442 is about 6744.3637209154. The cubic root of 45486442 is about 356.9663860052.

The spelling of 45486442 in words is "forty-five million, four hundred eighty-six thousand, four hundred forty-two".