142345499 has 4 divisors (see below), whose sum is σ = 142586136. Its totient is φ = 142104864.

The previous prime is 142345493. The next prime is 142345501. The reversal of 142345499 is 994543241.

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 142345499 - 2⁸ = 142345243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142345493) 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, 119429 + ... + 120614.

It is an arithmetic number, because the mean of its divisors is an integer number (35646534).

Almost surely, 2^142345499 is an apocalyptic number.

142345499 is a deficient number, since it is larger than the sum of its proper divisors (240637).

142345499 is an equidigital number, since it uses as much as digits as its factorization.

142345499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240636.

The product of its digits is 155520, while the sum is 41.

The square root of 142345499 is about 11930.8632965096. The cubic root of 142345499 is about 522.1331249353.

The spelling of 142345499 in words is "one hundred forty-two million, three hundred forty-five thousand, four hundred ninety-nine".