45140201515542 has 96 divisors (see below), whose sum is σ = 107889427595520. Its totient is φ = 12545022329280.

The previous prime is 45140201515457. The next prime is 45140201515589. The reversal of 45140201515542 is 24551510204154.

It is a self number, because there is not a number n which added to its sum of digits gives 45140201515542.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 37380759 + ... + 38569437.

It is an arithmetic number, because the mean of its divisors is an integer number (1123848204120).

Almost surely, 2^{45140201515542} is an apocalyptic number.

45140201515542 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 45140201515542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53944713797760).

45140201515542 is an abundant number, since it is smaller than the sum of its proper divisors (62749226079978).

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

45140201515542 is a wasteful number, since it uses less digits than its factorization.

45140201515542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192226 (or 1192219 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 39.

Adding to 45140201515542 its reverse (24551510204154), we get a palindrome (69691711719696).

The spelling of 45140201515542 in words is "forty-five trillion, one hundred forty billion, two hundred one million, five hundred fifteen thousand, five hundred forty-two".