142042354 has 4 divisors (see below), whose sum is σ = 213063534. Its totient is φ = 71021176.

The previous prime is 142042339. The next prime is 142042357. The reversal of 142042354 is 453240241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 453240241 = 151 ⋅3001591.

It can be written as a sum of positive squares in only one way, i.e., 120670225 + 21372129 = 10985^2 + 4623^2 .

It is a super-2 number, since 2×142042354² = 40352060659722632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142042357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35510587 + ... + 35510590.

Almost surely, 2^142042354 is an apocalyptic number.

142042354 is a deficient number, since it is larger than the sum of its proper divisors (71021180).

142042354 is an equidigital number, since it uses as much as digits as its factorization.

142042354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71021179.

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

The square root of 142042354 is about 11918.1522896798. The cubic root of 142042354 is about 521.7622092366.

Adding to 142042354 its reverse (453240241), we get a palindrome (595282595).

The spelling of 142042354 in words is "one hundred forty-two million, forty-two thousand, three hundred fifty-four".