142520763 has 48 divisors (see below), whose sum is σ = 245846016. Its totient is φ = 72596160.

The previous prime is 142520753. The next prime is 142520771. The reversal of 142520763 is 367025241.

It is not a de Polignac number, because 142520763 - 2⁶ = 142520699 is a prime.

It is a super-2 number, since 2×142520763² = 40624335772204338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142520763.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142520713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84870 + ... + 86532.

It is an arithmetic number, because the mean of its divisors is an integer number (5121792).

Almost surely, 2^142520763 is an apocalyptic number.

142520763 is a deficient number, since it is larger than the sum of its proper divisors (103325253).

142520763 is a wasteful number, since it uses less digits than its factorization.

142520763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744 (or 1737 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 142520763 is about 11938.2060210067. The cubic root of 142520763 is about 522.3473305322.

The spelling of 142520763 in words is "one hundred forty-two million, five hundred twenty thousand, seven hundred sixty-three".