2145486581224 has 32 divisors (see below), whose sum is σ = 4642106901120. Its totient is φ = 910567118016.

The previous prime is 2145486581213. The next prime is 2145486581257. The reversal of 2145486581224 is 4221856845412.

It is a super-2 number, since 2×2145486581224² (a number of 25 digits) contains 22 as substring.

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, 185976079 + ... + 185987614.

It is an arithmetic number, because the mean of its divisors is an integer number (145065840660).

Almost surely, 2^{2145486581224} is an apocalyptic number.

It is an amenable number.

2145486581224 is an abundant number, since it is smaller than the sum of its proper divisors (2496620319896).

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

2145486581224 is a wasteful number, since it uses less digits than its factorization.

2145486581224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371963809 (or 371963805 counting only the distinct ones).

The product of its digits is 4915200, while the sum is 52.

The spelling of 2145486581224 in words is "two trillion, one hundred forty-five billion, four hundred eighty-six million, five hundred eighty-one thousand, two hundred twenty-four".