142485783 has 32 divisors (see below), whose sum is σ = 216421632. Its totient is φ = 82617600.

The previous prime is 142485757. The next prime is 142485793. The reversal of 142485783 is 387584241.

142485783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142485783 - 2⁶ = 142485719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142485793) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70716 + ... + 72702.

It is an arithmetic number, because the mean of its divisors is an integer number (6763176).

Almost surely, 2^142485783 is an apocalyptic number.

142485783 is a deficient number, since it is larger than the sum of its proper divisors (73935849).

142485783 is a wasteful number, since it uses less digits than its factorization.

142485783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095.

The product of its digits is 215040, while the sum is 42.

The square root of 142485783 is about 11936.7408868585. The cubic root of 142485783 is about 522.3045924209.

The spelling of 142485783 in words is "one hundred forty-two million, four hundred eighty-five thousand, seven hundred eighty-three".