45443142520 has 16 divisors (see below), whose sum is σ = 102247070760. Its totient is φ = 18177256992.

The previous prime is 45443142397. The next prime is 45443142533. The reversal of 45443142520 is 2524134454.

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 3 ways as a sum of consecutive naturals, for example, 568039242 + ... + 568039321.

Almost surely, 2^45443142520 is an apocalyptic number.

45443142520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45443142520 is an abundant number, since it is smaller than the sum of its proper divisors (56803928240).

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

45443142520 is a wasteful number, since it uses less digits than its factorization.

45443142520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136078574 (or 1136078570 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 45443142520 its reverse (2524134454), we get a palindrome (47967276974).

The spelling of 45443142520 in words is "forty-five billion, four hundred forty-three million, one hundred forty-two thousand, five hundred twenty".