142290265 has 8 divisors (see below), whose sum is σ = 183882888. Its totient is φ = 105075840.

The previous prime is 142290257. The next prime is 142290283. The reversal of 142290265 is 562092241.

It can be written as a sum of positive squares in 4 ways, for example, as 25887744 + 116402521 = 5088^2 + 10789^2 .

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

It is not a de Polignac number, because 142290265 - 2³ = 142290257 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, 1094476 + ... + 1094605.

It is an arithmetic number, because the mean of its divisors is an integer number (22985361).

Almost surely, 2^142290265 is an apocalyptic number.

It is an amenable number.

142290265 is a deficient number, since it is larger than the sum of its proper divisors (41592623).

142290265 is a wasteful number, since it uses less digits than its factorization.

142290265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189099.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 142290265 is about 11928.5483190537. The cubic root of 142290265 is about 522.0655821557.

The spelling of 142290265 in words is "one hundred forty-two million, two hundred ninety thousand, two hundred sixty-five".