45451015042 has 8 divisors (see below), whose sum is σ = 68237235216. Its totient is φ = 22705269972.

The previous prime is 45451015037. The next prime is 45451015061. The reversal of 45451015042 is 24051015454.

It is a happy number.

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

It is a super-2 number, since 2×45451015042² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45451014995 and 45451015013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10115968 + ... + 10120459.

It is an arithmetic number, because the mean of its divisors is an integer number (8529654402).

Almost surely, 2^45451015042 is an apocalyptic number.

45451015042 is a deficient number, since it is larger than the sum of its proper divisors (22786220174).

45451015042 is a wasteful number, since it uses less digits than its factorization.

45451015042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20237552.

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 45451015042 in words is "forty-five billion, four hundred fifty-one million, fifteen thousand, forty-two".