145302231145020 has 96 divisors (see below), whose sum is σ = 410057035186176. Its totient is φ = 38441483136000.

The previous prime is 145302231144953. The next prime is 145302231145033. The reversal of 145302231145020 is 20541132203541.

It is a super-2 number, since 2×145302231145020² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 544475620 + ... + 544742420.

It is an arithmetic number, because the mean of its divisors is an integer number (4271427449856).

Almost surely, 2^{145302231145020} is an apocalyptic number.

145302231145020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145302231145020 is an abundant number, since it is smaller than the sum of its proper divisors (264754804041156).

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

145302231145020 is a wasteful number, since it uses less digits than its factorization.

145302231145020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338411 (or 338409 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 145302231145020 its reverse (20541132203541), we get a palindrome (165843363348561).

The spelling of 145302231145020 in words is "one hundred forty-five trillion, three hundred two billion, two hundred thirty-one million, one hundred forty-five thousand, twenty".