142016505 has 16 divisors (see below), whose sum is σ = 227704704. Its totient is φ = 75582720.

The previous prime is 142016473. The next prime is 142016527. The reversal of 142016505 is 505610241.

It is not a de Polignac number, because 142016505 - 2⁵ = 142016473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2416 + ... + 17025.

It is an arithmetic number, because the mean of its divisors is an integer number (14231544).

Almost surely, 2^142016505 is an apocalyptic number.

142016505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142016505 is a deficient number, since it is larger than the sum of its proper divisors (85688199).

142016505 is a wasteful number, since it uses less digits than its factorization.

142016505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19936.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 142016505 is about 11917.0678021064. The cubic root of 142016505 is about 521.7305570587.

Adding to 142016505 its reverse (505610241), we get a palindrome (647626746).

It can be divided in two parts, 14201 and 6505, that added together give a triangular number (20706 = T₂₀₃).

The spelling of 142016505 in words is "one hundred forty-two million, sixteen thousand, five hundred five".