45131453562 has 64 divisors (see below), whose sum is σ = 103028889600. Its totient is φ = 13056451584.

The previous prime is 45131453561. The next prime is 45131453567. The reversal of 45131453562 is 26535413154.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 45131453562.

It is not an unprimeable number, because it can be changed into a prime (45131453561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1326439 + ... + 1360037.

It is an arithmetic number, because the mean of its divisors is an integer number (1609826400).

Almost surely, 2^45131453562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45131453562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51514444800).

45131453562 is an abundant number, since it is smaller than the sum of its proper divisors (57897436038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45131453562 is a wasteful number, since it uses less digits than its factorization.

45131453562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34647.

The product of its digits is 216000, while the sum is 39.

The spelling of 45131453562 in words is "forty-five billion, one hundred thirty-one million, four hundred fifty-three thousand, five hundred sixty-two".