45242442145 has 8 divisors (see below), whose sum is σ = 55055592000. Its totient is φ = 35684179440.

The previous prime is 45242442143. The next prime is 45242442181. The reversal of 45242442145 is 54124424254.

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

It is not a de Polignac number, because 45242442145 - 2¹ = 45242442143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45242442143) 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, 63721395 + ... + 63722104.

It is an arithmetic number, because the mean of its divisors is an integer number (6881949000).

Almost surely, 2^45242442145 is an apocalyptic number.

It is an amenable number.

45242442145 is a deficient number, since it is larger than the sum of its proper divisors (9813149855).

45242442145 is a wasteful number, since it uses less digits than its factorization.

45242442145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127443575.

The product of its digits is 204800, while the sum is 37.

Adding to 45242442145 its reverse (54124424254), we get a palindrome (99366866399).

The spelling of 45242442145 in words is "forty-five billion, two hundred forty-two million, four hundred forty-two thousand, one hundred forty-five".