142699353 has 4 divisors (see below), whose sum is σ = 190265808. Its totient is φ = 95132900.

The previous prime is 142699339. The next prime is 142699391. The reversal of 142699353 is 353996241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 353996241 = 3 ⋅117998747.

It is a cyclic number.

It is not a de Polignac number, because 142699353 - 2⁹ = 142698841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142699303) 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, 23783223 + ... + 23783228.

It is an arithmetic number, because the mean of its divisors is an integer number (47566452).

Almost surely, 2^142699353 is an apocalyptic number.

It is an amenable number.

142699353 is a deficient number, since it is larger than the sum of its proper divisors (47566455).

142699353 is an equidigital number, since it uses as much as digits as its factorization.

142699353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47566454.

The product of its digits is 174960, while the sum is 42.

The square root of 142699353 is about 11945.6834463332. The cubic root of 142699353 is about 522.5654205610.

The spelling of 142699353 in words is "one hundred forty-two million, six hundred ninety-nine thousand, three hundred fifty-three".