145554656500 has 96 divisors (see below), whose sum is σ = 357977797632. Its totient is φ = 51221520000.

The previous prime is 145554656491. The next prime is 145554656501. The reversal of 145554656500 is 5656455541.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145554656501) 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, 256347 + ... + 597346.

It is an arithmetic number, because the mean of its divisors is an integer number (3728935392).

Almost surely, 2^145554656500 is an apocalyptic number.

145554656500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145554656500 is an abundant number, since it is smaller than the sum of its proper divisors (212423141132).

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

145554656500 is a wasteful number, since it uses less digits than its factorization.

145554656500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853754 (or 853742 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 46.

The spelling of 145554656500 in words is "one hundred forty-five billion, five hundred fifty-four million, six hundred fifty-six thousand, five hundred".