142764993 has 48 divisors (see below), whose sum is σ = 254217600. Its totient is φ = 75375360.

The previous prime is 142764983. The next prime is 142765001. The reversal of 142764993 is 399467241.

It is a happy number.

It is not a de Polignac number, because 142764993 - 2¹⁰ = 142763969 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (142764943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47623 + ... + 50531.

It is an arithmetic number, because the mean of its divisors is an integer number (5296200).

Almost surely, 2^142764993 is an apocalyptic number.

It is an amenable number.

142764993 is a deficient number, since it is larger than the sum of its proper divisors (111452607).

142764993 is a wasteful number, since it uses less digits than its factorization.

142764993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982 (or 2979 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 142764993 is about 11948.4305663966. The cubic root of 142764993 is about 522.6455328984.

The spelling of 142764993 in words is "one hundred forty-two million, seven hundred sixty-four thousand, nine hundred ninety-three".