142608513 has 4 divisors (see below), whose sum is σ = 190144688. Its totient is φ = 95072340.

The previous prime is 142608469. The next prime is 142608523. The reversal of 142608513 is 315806241.

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.

It is not a de Polignac number, because 142608513 - 2¹⁰ = 142607489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142608523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23768083 + ... + 23768088.

It is an arithmetic number, because the mean of its divisors is an integer number (47536172).

Almost surely, 2^142608513 is an apocalyptic number.

It is an amenable number.

142608513 is a deficient number, since it is larger than the sum of its proper divisors (47536175).

142608513 is an equidigital number, since it uses as much as digits as its factorization.

142608513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47536174.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 142608513 is about 11941.8806307884. The cubic root of 142608513 is about 522.4545115806.

The spelling of 142608513 in words is "one hundred forty-two million, six hundred eight thousand, five hundred thirteen".