45487742 has 8 divisors (see below), whose sum is σ = 68278896. Its totient is φ = 22728112.

The previous prime is 45487709. The next prime is 45487759. The reversal of 45487742 is 24778454.

It is a happy number.

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 45487742.

It is a congruent number.

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, 3863 + ... + 10290.

It is an arithmetic number, because the mean of its divisors is an integer number (8534862).

Almost surely, 2^45487742 is an apocalyptic number.

45487742 is a deficient number, since it is larger than the sum of its proper divisors (22791154).

45487742 is a wasteful number, since it uses less digits than its factorization.

45487742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15762.

The product of its digits is 250880, while the sum is 41.

The square root of 45487742 is about 6744.4600969981. The cubic root of 45487742 is about 356.9697866660.

The spelling of 45487742 in words is "forty-five million, four hundred eighty-seven thousand, seven hundred forty-two".