542161232 has 20 divisors (see below), whose sum is σ = 1084323456. Its totient is φ = 262335840.

The previous prime is 542161199. The next prime is 542161237. The reversal of 542161232 is 232161245.

It is a happy number.

542161232 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542161237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546038 + ... + 547029.

Almost surely, 2^542161232 is an apocalyptic number.

It is an amenable number.

542161232 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

542161232 is a wasteful number, since it uses less digits than its factorization.

542161232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093106 (or 1093100 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 542161232 is about 23284.3559498647. The cubic root of 542161232 is about 815.4102251872.

The spelling of 542161232 in words is "five hundred forty-two million, one hundred sixty-one thousand, two hundred thirty-two".