145231161364 has 24 divisors (see below), whose sum is σ = 269116478568. Its totient is φ = 68341109760.

The previous prime is 145231161359. The next prime is 145231161457. The reversal of 145231161364 is 463161132541.

It can be written as a sum of positive squares in 4 ways, for example, as 43329752964 + 101901408400 = 208158^2 + 319220^2 .

It is a super-2 number, since 2×145231161364² (a number of 23 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 7 ways as a sum of consecutive naturals, for example, 2888262 + ... + 2938114.

It is an arithmetic number, because the mean of its divisors is an integer number (11213186607).

Almost surely, 2^145231161364 is an apocalyptic number.

It is an amenable number.

145231161364 is a deficient number, since it is larger than the sum of its proper divisors (123885317204).

145231161364 is a wasteful number, since it uses less digits than its factorization.

145231161364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92715 (or 92713 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The spelling of 145231161364 in words is "one hundred forty-five billion, two hundred thirty-one million, one hundred sixty-one thousand, three hundred sixty-four".