45168422031 has 24 divisors (see below), whose sum is σ = 67407928224. Its totient is φ = 29122960320.

The previous prime is 45168422029. The next prime is 45168422053. The reversal of 45168422031 is 13022486154.

It is a happy number.

45168422031 is a `hidden beast` number, since 45 + 168 + 422 + 0 + 31 = 666.

It is not a de Polignac number, because 45168422031 - 2¹ = 45168422029 is a prime.

It is a super-2 number, since 2×45168422031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45168422081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 350500 + ... + 461721.

It is an arithmetic number, because the mean of its divisors is an integer number (2808663676).

Almost surely, 2^45168422031 is an apocalyptic number.

45168422031 is a deficient number, since it is larger than the sum of its proper divisors (22239506193).

45168422031 is a wasteful number, since it uses less digits than its factorization.

45168422031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812431 (or 812428 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 45168422031 in words is "forty-five billion, one hundred sixty-eight million, four hundred twenty-two thousand, thirty-one".