142115042 has 8 divisors (see below), whose sum is σ = 213235536. Its totient is φ = 71036532.

The previous prime is 142115033. The next prime is 142115047. The reversal of 142115042 is 240511241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (142115047) 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, 113 + ... + 16859.

It is an arithmetic number, because the mean of its divisors is an integer number (26654442).

Almost surely, 2^142115042 is an apocalyptic number.

142115042 is a deficient number, since it is larger than the sum of its proper divisors (71120494).

142115042 is a wasteful number, since it uses less digits than its factorization.

142115042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20992.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 142115042 is about 11921.2013656343. The cubic root of 142115042 is about 521.8511953333.

Adding to 142115042 its reverse (240511241), we get a palindrome (382626283).

The spelling of 142115042 in words is "one hundred forty-two million, one hundred fifteen thousand, forty-two".