2153442132 has 48 divisors (see below), whose sum is σ = 5599659520. Its totient is φ = 715671936.

The previous prime is 2153442127. The next prime is 2153442163. The reversal of 2153442132 is 2312443512.

2153442132 is a `hidden beast` number, since 215 + 3 + 442 + 1 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2153442096 and 2153442105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6813 + ... + 65979.

Almost surely, 2^2153442132 is an apocalyptic number.

It is an amenable number.

2153442132 is an abundant number, since it is smaller than the sum of its proper divisors (3446217388).

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

2153442132 is a wasteful number, since it uses less digits than its factorization.

2153442132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59517 (or 59509 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2153442132 is about 46405.1950971009. The cubic root of 2153442132 is about 1291.3512935790.

Adding to 2153442132 its reverse (2312443512), we get a palindrome (4465885644).

The spelling of 2153442132 in words is "two billion, one hundred fifty-three million, four hundred forty-two thousand, one hundred thirty-two".