45668506381 has 8 divisors (see below), whose sum is σ = 48075728000. Its totient is φ = 43261646400.

The previous prime is 45668506307. The next prime is 45668506441. The reversal of 45668506381 is 18360586654.

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 45668506381 - 2⁷ = 45668506253 is a prime.

It is a super-2 number, since 2×45668506381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45668506981) 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, 191356 + ... + 357706.

It is an arithmetic number, because the mean of its divisors is an integer number (6009466000).

Almost surely, 2^45668506381 is an apocalyptic number.

It is an amenable number.

45668506381 is a deficient number, since it is larger than the sum of its proper divisors (2407221619).

45668506381 is a wasteful number, since it uses less digits than its factorization.

45668506381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180819.

The product of its (nonzero) digits is 4147200, while the sum is 52.

It can be divided in two parts, 45668 and 506381, that added together give a square (552049 = 743²).

The spelling of 45668506381 in words is "forty-five billion, six hundred sixty-eight million, five hundred six thousand, three hundred eighty-one".