142606351 has 4 divisors (see below), whose sum is σ = 144734872. Its totient is φ = 140477832.

The previous prime is 142606333. The next prime is 142606357. The reversal of 142606351 is 153606241.

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 142606351 - 2⁷ = 142606223 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 (142606357) 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, 1064160 + ... + 1064293.

It is an arithmetic number, because the mean of its divisors is an integer number (36183718).

Almost surely, 2^142606351 is an apocalyptic number.

142606351 is a deficient number, since it is larger than the sum of its proper divisors (2128521).

142606351 is an equidigital number, since it uses as much as digits as its factorization.

142606351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128520.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 142606351 is about 11941.7901086897. The cubic root of 142606351 is about 522.4518713634.

The spelling of 142606351 in words is "one hundred forty-two million, six hundred six thousand, three hundred fifty-one".