142254515 has 8 divisors (see below), whose sum is σ = 183836688. Its totient is φ = 105049440.

The previous prime is 142254499. The next prime is 142254523. The reversal of 142254515 is 515452241.

142254515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142254515 - 2⁴ = 142254499 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094201 + ... + 1094330.

It is an arithmetic number, because the mean of its divisors is an integer number (22979586).

Almost surely, 2^142254515 is an apocalyptic number.

142254515 is a deficient number, since it is larger than the sum of its proper divisors (41582173).

142254515 is a wasteful number, since it uses less digits than its factorization.

142254515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188549.

The product of its digits is 8000, while the sum is 29.

The square root of 142254515 is about 11927.0497190210. The cubic root of 142254515 is about 522.0218560257.

The spelling of 142254515 in words is "one hundred forty-two million, two hundred fifty-four thousand, five hundred fifteen".