45544155501 has 128 divisors (see below), whose sum is σ = 71034163200. Its totient is φ = 25761576960.

The previous prime is 45544155457. The next prime is 45544155521. The reversal of 45544155501 is 10555144554.

45544155501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45544155501 - 2¹⁴ = 45544139117 is a prime.

It is a super-2 number, since 2×45544155501² (a number of 22 digits) contains 22 as substring.

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 45544155501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45544155521) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 417836235 + ... + 417836343.

It is an arithmetic number, because the mean of its divisors is an integer number (554954400).

Almost surely, 2^45544155501 is an apocalyptic number.

45544155501 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

45544155501 is a deficient number, since it is larger than the sum of its proper divisors (25490007699).

45544155501 is a wasteful number, since it uses less digits than its factorization.

45544155501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371.

The product of its (nonzero) digits is 200000, while the sum is 39.

The spelling of 45544155501 in words is "forty-five billion, five hundred forty-four million, one hundred fifty-five thousand, five hundred one".