542142234 has 24 divisors (see below), whose sum is σ = 1218147840. Its totient is φ = 180713916.

The previous prime is 542142217. The next prime is 542142239. The reversal of 542142234 is 432241245.

542142234 is a `hidden beast` number, since 5 + 421 + 4 + 2 + 234 = 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 = 542142198 and 542142207.

It is not an unprimeable number, because it can be changed into a prime (542142239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 557274 + ... + 558245.

It is an arithmetic number, because the mean of its divisors is an integer number (50756160).

Almost surely, 2^542142234 is an apocalyptic number.

542142234 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

542142234 is an abundant number, since it is smaller than the sum of its proper divisors (676005606).

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

542142234 is a wasteful number, since it uses less digits than its factorization.

542142234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115536 (or 1115524 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 542142234 is about 23283.9479899780. The cubic root of 542142234 is about 815.4007007484.

Adding to 542142234 its reverse (432241245), we get a palindrome (974383479).

The spelling of 542142234 in words is "five hundred forty-two million, one hundred forty-two thousand, two hundred thirty-four".