145530321442400 has 36 divisors (see below), whose sum is σ = 355275897223212. Its totient is φ = 58212128576640.

The previous prime is 145530321442399. The next prime is 145530321442447. The reversal of 145530321442400 is 4244123035541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90956450102 + ... + 90956451701.

It is an arithmetic number, because the mean of its divisors is an integer number (9868774922867).

Almost surely, 2^{145530321442400} is an apocalyptic number.

145530321442400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145530321442400 is an abundant number, since it is smaller than the sum of its proper divisors (209745575780812).

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

145530321442400 is a wasteful number, since it uses less digits than its factorization.

145530321442400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181912901823 (or 181912901810 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 145530321442400 its reverse (4244123035541), we get a palindrome (149774444477941).

The spelling of 145530321442400 in words is "one hundred forty-five trillion, five hundred thirty billion, three hundred twenty-one million, four hundred forty-two thousand, four hundred".