142248573 has 12 divisors (see below), whose sum is σ = 216284640. Its totient is φ = 89841096.

The previous prime is 142248551. The next prime is 142248599. The reversal of 142248573 is 375842241.

It is a happy number.

142248573 is a `hidden beast` number, since 1 + 42 + 2 + 48 + 573 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-142248573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142248173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 415761 + ... + 416102.

It is an arithmetic number, because the mean of its divisors is an integer number (18023720).

Almost surely, 2^142248573 is an apocalyptic number.

It is an amenable number.

142248573 is a deficient number, since it is larger than the sum of its proper divisors (74036067).

142248573 is a wasteful number, since it uses less digits than its factorization.

142248573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831888 (or 831885 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 142248573 is about 11926.8006187745. The cubic root of 142248573 is about 522.0145876048.

The spelling of 142248573 in words is "one hundred forty-two million, two hundred forty-eight thousand, five hundred seventy-three".