142304351 has 4 divisors (see below), whose sum is σ = 162633552. Its totient is φ = 121975152.

The previous prime is 142304339. The next prime is 142304411. The reversal of 142304351 is 153403241.

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

It is a cyclic number.

It is not a de Polignac number, because 142304351 - 2⁶ = 142304287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142304251) 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, 10164590 + ... + 10164603.

It is an arithmetic number, because the mean of its divisors is an integer number (40658388).

Almost surely, 2^142304351 is an apocalyptic number.

142304351 is a deficient number, since it is larger than the sum of its proper divisors (20329201).

142304351 is an equidigital number, since it uses as much as digits as its factorization.

142304351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20329200.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 142304351 is about 11929.1387367236. The cubic root of 142304351 is about 522.0828088510.

Adding to 142304351 its reverse (153403241), we get a palindrome (295707592).

It can be divided in two parts, 14230 and 4351, that added together give a palindrome (18581).

The spelling of 142304351 in words is "one hundred forty-two million, three hundred four thousand, three hundred fifty-one".