142895919 has 8 divisors (see below), whose sum is σ = 190664320. Its totient is φ = 95195736.

The previous prime is 142895899. The next prime is 142895939. The reversal of 142895919 is 919598241.

It is an interprime number because it is at equal distance from previous prime (142895899) and next prime (142895939).

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

It is not a de Polignac number, because 142895919 - 2⁸ = 142895663 is a prime.

It is a super-2 number, since 2×142895919² = 40838487333709122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142895939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11947 + ... + 20700.

It is an arithmetic number, because the mean of its divisors is an integer number (23833040).

Almost surely, 2^142895919 is an apocalyptic number.

142895919 is a deficient number, since it is larger than the sum of its proper divisors (47768401).

142895919 is a wasteful number, since it uses less digits than its factorization.

142895919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34109.

The product of its digits is 233280, while the sum is 48.

The square root of 142895919 is about 11953.9081057201. The cubic root of 142895919 is about 522.8052522163.

The spelling of 142895919 in words is "one hundred forty-two million, eight hundred ninety-five thousand, nine hundred nineteen".