2145348144 has 60 divisors (see below), whose sum is σ = 6076366296. Its totient is φ = 706496256.

The previous prime is 2145348143. The next prime is 2145348173. The reversal of 2145348144 is 4418435412.

2145348144 is a `hidden beast` number, since 2 + 1 + 4 + 534 + 81 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2145348099 and 2145348108.

It is not an unprimeable number, because it can be changed into a prime (2145348143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77797 + ... + 101700.

Almost surely, 2^2145348144 is an apocalyptic number.

2145348144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2145348144 is an abundant number, since it is smaller than the sum of its proper divisors (3931018152).

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

2145348144 is a wasteful number, since it uses less digits than its factorization.

2145348144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179594 (or 179585 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 2145348144 is about 46317.9030613434. The cubic root of 2145348144 is about 1289.7313592392.

The spelling of 2145348144 in words is "two billion, one hundred forty-five million, three hundred forty-eight thousand, one hundred forty-four".