145320313474180 has 96 divisors (see below), whose sum is σ = 337292527076064. Its totient is φ = 52260074041344.

The previous prime is 145320313474169. The next prime is 145320313474183. The reversal of 145320313474180 is 81474313023541.

It can be written as a sum of positive squares in 16 ways, for example, as 77777688935556 + 67542624538624 = 8819166^2 + 8218432^2 .

It is a super-2 number, since 2×145320313474180² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145320313474180.

It is not an unprimeable number, because it can be changed into a prime (145320313474183) 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, 36600247 + ... + 40375966.

It is an arithmetic number, because the mean of its divisors is an integer number (3513463823709).

Almost surely, 2^{145320313474180} is an apocalyptic number.

145320313474180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145320313474180 is an abundant number, since it is smaller than the sum of its proper divisors (191972213601884).

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

145320313474180 is a wasteful number, since it uses less digits than its factorization.

145320313474180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76976425 (or 76976423 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 145320313474180 in words is "one hundred forty-five trillion, three hundred twenty billion, three hundred thirteen million, four hundred seventy-four thousand, one hundred eighty".