32151242142 has 32 divisors (see below), whose sum is σ = 71463981600. Its totient is φ = 10714564224.

The previous prime is 32151242069. The next prime is 32151242159. The reversal of 32151242142 is 24124215123.

32151242142 is a `hidden beast` number, since 3 + 2 + 1 + 512 + 4 + 2 + 142 = 666.

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

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, 169734 + ... + 305142.

It is an arithmetic number, because the mean of its divisors is an integer number (2233249425).

Almost surely, 2^32151242142 is an apocalyptic number.

32151242142 is an abundant number, since it is smaller than the sum of its proper divisors (39312739458).

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

32151242142 is a wasteful number, since it uses less digits than its factorization.

32151242142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139817 (or 139811 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

Adding to 32151242142 its reverse (24124215123), we get a palindrome (56275457265).

The spelling of 32151242142 in words is "thirty-two billion, one hundred fifty-one million, two hundred forty-two thousand, one hundred forty-two".