45320555131 has 8 divisors (see below), whose sum is σ = 45392653904. Its totient is φ = 45248505120.

The previous prime is 45320555123. The next prime is 45320555149. The reversal of 45320555131 is 13155502354.

45320555131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45320555131 - 2³ = 45320555123 is a prime.

It is a super-2 number, since 2×45320555131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45320556131) 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, 2141341 + ... + 2162401.

It is an arithmetic number, because the mean of its divisors is an integer number (5674081738).

Almost surely, 2^45320555131 is an apocalyptic number.

45320555131 is a deficient number, since it is larger than the sum of its proper divisors (72098773).

45320555131 is a wasteful number, since it uses less digits than its factorization.

45320555131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24381.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 45320555131 in words is "forty-five billion, three hundred twenty million, five hundred fifty-five thousand, one hundred thirty-one".