45242666331 has 4 divisors (see below), whose sum is σ = 60323555112. Its totient is φ = 30161777552.

The previous prime is 45242666323. The next prime is 45242666383. The reversal of 45242666331 is 13366624254.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45242666331 - 2³ = 45242666323 is a prime.

It is a super-2 number, since 2×45242666331² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45242666431) by changing a digit.

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, 7540444386 + ... + 7540444391.

It is an arithmetic number, because the mean of its divisors is an integer number (15080888778).

Almost surely, 2^45242666331 is an apocalyptic number.

45242666331 is a deficient number, since it is larger than the sum of its proper divisors (15080888781).

45242666331 is a wasteful number, since it uses less digits than its factorization.

45242666331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15080888780.

The product of its digits is 622080, while the sum is 42.

The spelling of 45242666331 in words is "forty-five billion, two hundred forty-two million, six hundred sixty-six thousand, three hundred thirty-one".