142769001 has 24 divisors (see below), whose sum is σ = 200176704. Its totient is φ = 90489280.

The previous prime is 142768993. The next prime is 142769057. The reversal of 142769001 is 100967241.

It is a happy number.

It is not a de Polignac number, because 142769001 - 2³ = 142768993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142769001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142769201) 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 23 ways as a sum of consecutive naturals, for example, 178735 + ... + 179531.

It is an arithmetic number, because the mean of its divisors is an integer number (8340696).

Almost surely, 2^142769001 is an apocalyptic number.

It is an amenable number.

142769001 is a deficient number, since it is larger than the sum of its proper divisors (57407703).

142769001 is an equidigital number, since it uses as much as digits as its factorization.

142769001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 142769001 is about 11948.5982859915. The cubic root of 142769001 is about 522.6504237886.

The spelling of 142769001 in words is "one hundred forty-two million, seven hundred sixty-nine thousand, one".