145524551544 has 96 divisors (see below), whose sum is σ = 403973378640. Its totient is φ = 47310912000.

The previous prime is 145524551527. The next prime is 145524551581. The reversal of 145524551544 is 445155425541.

145524551544 is a `hidden beast` number, since 1 + 4 + 5 + 52 + 4 + 5 + 51 + 544 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 145524551544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 337884 + ... + 636564.

Almost surely, 2^145524551544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145524551544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201986689320).

145524551544 is an abundant number, since it is smaller than the sum of its proper divisors (258448827096).

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

145524551544 is a wasteful number, since it uses less digits than its factorization.

145524551544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298861 (or 298854 counting only the distinct ones).

The product of its digits is 1600000, while the sum is 45.

The spelling of 145524551544 in words is "one hundred forty-five billion, five hundred twenty-four million, five hundred fifty-one thousand, five hundred forty-four".