142016254 has 4 divisors (see below), whose sum is σ = 213024384. Its totient is φ = 71008126.

The previous prime is 142016243. The next prime is 142016257. The reversal of 142016254 is 452610241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142016257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35504062 + ... + 35504065.

It is an arithmetic number, because the mean of its divisors is an integer number (53256096).

Almost surely, 2^142016254 is an apocalyptic number.

142016254 is a deficient number, since it is larger than the sum of its proper divisors (71008130).

142016254 is an equidigital number, since it uses as much as digits as its factorization.

142016254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71008129.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 142016254 is about 11917.0572709877. The cubic root of 142016254 is about 521.7302496896.

Adding to 142016254 its reverse (452610241), we get a palindrome (594626495).

The spelling of 142016254 in words is "one hundred forty-two million, sixteen thousand, two hundred fifty-four".