142783101 has 16 divisors (see below), whose sum is σ = 212417920. Its totient is φ = 94789440.

The previous prime is 142783079. The next prime is 142783129. The reversal of 142783101 is 101387241.

It is not a de Polignac number, because 142783101 - 2²⁷ = 8565373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142783001) 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 15 ways as a sum of consecutive naturals, for example, 4465 + ... + 17478.

It is an arithmetic number, because the mean of its divisors is an integer number (13276120).

Almost surely, 2^142783101 is an apocalyptic number.

It is an amenable number.

142783101 is a deficient number, since it is larger than the sum of its proper divisors (69634819).

142783101 is a wasteful number, since it uses less digits than its factorization.

142783101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22193 (or 22187 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 142783101 is about 11949.1882987925. The cubic root of 142783101 is about 522.6676290370.

It can be divided in two parts, 142783 and 101, that added together give a square (142884 = 378²).

The spelling of 142783101 in words is "one hundred forty-two million, seven hundred eighty-three thousand, one hundred one".