2144242452 has 36 divisors (see below), whose sum is σ = 5499424448. Its totient is φ = 649770000.

The previous prime is 2144242439. The next prime is 2144242483. The reversal of 2144242452 is 2542424412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 736924 + ... + 739827.

Almost surely, 2^2144242452 is an apocalyptic number.

2144242452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2144242452 is an abundant number, since it is smaller than the sum of its proper divisors (3355181996).

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

2144242452 is a wasteful number, since it uses less digits than its factorization.

2144242452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476780 (or 1476767 counting only the distinct ones).

The product of its digits is 20480, while the sum is 30.

The square root of 2144242452 is about 46305.9656199933. The cubic root of 2144242452 is about 1289.5097494101.

Adding to 2144242452 its reverse (2542424412), we get a palindrome (4686666864).

The spelling of 2144242452 in words is "two billion, one hundred forty-four million, two hundred forty-two thousand, four hundred fifty-two".