145553131320 has 64 divisors (see below), whose sum is σ = 436783777920. Its totient is φ = 38803112064.

The previous prime is 145553131319. The next prime is 145553131343. The reversal of 145553131320 is 23131355541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254659 + ... + 596621.

It is an arithmetic number, because the mean of its divisors is an integer number (6824746530).

Almost surely, 2^145553131320 is an apocalyptic number.

145553131320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145553131320 is an abundant number, since it is smaller than the sum of its proper divisors (291230646600).

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

145553131320 is a wasteful number, since it uses less digits than its factorization.

145553131320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345524 (or 345520 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 145553131320 its reverse (23131355541), we get a palindrome (168684486861).

The spelling of 145553131320 in words is "one hundred forty-five billion, five hundred fifty-three million, one hundred thirty-one thousand, three hundred twenty".