142342522 has 8 divisors (see below), whose sum is σ = 244015776. Its totient is φ = 61003932.

The previous prime is 142342493. The next prime is 142342573. The reversal of 142342522 is 225243241.

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

It is a super-2 number, since 2×142342522² = 40522787138640968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5083648 + ... + 5083675.

It is an arithmetic number, because the mean of its divisors is an integer number (30501972).

Almost surely, 2^142342522 is an apocalyptic number.

142342522 is a deficient number, since it is larger than the sum of its proper divisors (101673254).

142342522 is a wasteful number, since it uses less digits than its factorization.

142342522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10167332.

The product of its digits is 3840, while the sum is 25.

The square root of 142342522 is about 11930.7385353967. The cubic root of 142342522 is about 522.1294849627.

Adding to 142342522 its reverse (225243241), we get a palindrome (367585763).

The spelling of 142342522 in words is "one hundred forty-two million, three hundred forty-two thousand, five hundred twenty-two".