45012504042021 has 8 divisors (see below), whose sum is σ = 63547064529984. Its totient is φ = 28243139791040.

The previous prime is 45012504042017. The next prime is 45012504042041. The reversal of 45012504042021 is 12024040521054.

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

It is a cyclic number.

It is not a de Polignac number, because 45012504042021 - 2² = 45012504042017 is a prime.

It is a super-2 number, since 2×45012504042021² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45012504042021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45012504042001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441299059185 + ... + 441299059286.

It is an arithmetic number, because the mean of its divisors is an integer number (7943383066248).

Almost surely, 2^{45012504042021} is an apocalyptic number.

It is an amenable number.

45012504042021 is a deficient number, since it is larger than the sum of its proper divisors (18534560487963).

45012504042021 is a wasteful number, since it uses less digits than its factorization.

45012504042021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882598118491.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 45012504042021 its reverse (12024040521054), we get a palindrome (57036544563075).

The spelling of 45012504042021 in words is "forty-five trillion, twelve billion, five hundred four million, forty-two thousand, twenty-one".