45287642 has 8 divisors (see below), whose sum is σ = 67960416. Its totient is φ = 22634172.

The previous prime is 45287639. The next prime is 45287689. The reversal of 45287642 is 24678254.

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

It is a junction number, because it is equal to n+sod(n) for n = 45287596 and 45287605.

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, 5243 + ... + 10865.

It is an arithmetic number, because the mean of its divisors is an integer number (8495052).

Almost surely, 2^45287642 is an apocalyptic number.

45287642 is a deficient number, since it is larger than the sum of its proper divisors (22672774).

45287642 is a wasteful number, since it uses less digits than its factorization.

45287642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9652.

The product of its digits is 107520, while the sum is 38.

The square root of 45287642 is about 6729.6093497320. The cubic root of 45287642 is about 356.4455820688.

The spelling of 45287642 in words is "forty-five million, two hundred eighty-seven thousand, six hundred forty-two".