45012642 has 8 divisors (see below), whose sum is σ = 90025296. Its totient is φ = 15004212.

The previous prime is 45012641. The next prime is 45012659. The reversal of 45012642 is 24621054.

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

45012642 is an admirable number.

It is a super-2 number, since 2×45012642² = 4052275879640328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45012641) 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, 3751048 + ... + 3751059.

It is an arithmetic number, because the mean of its divisors is an integer number (11253162).

Almost surely, 2^45012642 is an apocalyptic number.

45012642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45012642 is a wasteful number, since it uses less digits than its factorization.

45012642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7502112.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 45012642 is about 6709.1461453750. The cubic root of 45012642 is about 355.7226356601.

Adding to 45012642 its reverse (24621054), we get a palindrome (69633696).

It can be divided in two parts, 45012 and 642, that added together give a palindrome (45654).

The spelling of 45012642 in words is "forty-five million, twelve thousand, six hundred forty-two".