2045354144 has 24 divisors (see below), whose sum is σ = 4030326720. Its totient is φ = 1021779136.

The previous prime is 2045354107. The next prime is 2045354203. The reversal of 2045354144 is 4414535402.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 2045354144.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9737 + ... + 64695.

It is an arithmetic number, because the mean of its divisors is an integer number (167930280).

Almost surely, 2^2045354144 is an apocalyptic number.

It is an amenable number.

2045354144 is a deficient number, since it is larger than the sum of its proper divisors (1984972576).

2045354144 is a wasteful number, since it uses less digits than its factorization.

2045354144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56132 (or 56124 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 2045354144 is about 45225.5916931995. The cubic root of 2045354144 is about 1269.3737263919.

Adding to 2045354144 its reverse (4414535402), we get a palindrome (6459889546).

The spelling of 2045354144 in words is "two billion, forty-five million, three hundred fifty-four thousand, one hundred forty-four".