142050505 has 16 divisors (see below), whose sum is σ = 173124864. Its totient is φ = 111879040.

The previous prime is 142050499. The next prime is 142050529. The reversal of 142050505 is 505050241.

It is not a de Polignac number, because 142050505 - 2¹⁵ = 142017737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 88944 + ... + 90526.

It is an arithmetic number, because the mean of its divisors is an integer number (10820304).

Almost surely, 2^142050505 is an apocalyptic number.

It is an amenable number.

142050505 is a deficient number, since it is larger than the sum of its proper divisors (31074359).

142050505 is a wasteful number, since it uses less digits than its factorization.

142050505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 142050505 is about 11918.4942421432. The cubic root of 142050505 is about 521.7721893641.

The spelling of 142050505 in words is "one hundred forty-two million, fifty thousand, five hundred five".