142425501 has 16 divisors (see below), whose sum is σ = 206346240. Its totient is φ = 87050160.

The previous prime is 142425497. The next prime is 142425523. The reversal of 142425501 is 105524241.

It is not a de Polignac number, because 142425501 - 2² = 142425497 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142425601) 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 15 ways as a sum of consecutive naturals, for example, 38535 + ... + 42068.

It is an arithmetic number, because the mean of its divisors is an integer number (12896640).

Almost surely, 2^142425501 is an apocalyptic number.

It is an amenable number.

142425501 is a deficient number, since it is larger than the sum of its proper divisors (63920739).

142425501 is a wasteful number, since it uses less digits than its factorization.

142425501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80656.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 142425501 is about 11934.2155586364. The cubic root of 142425501 is about 522.2309242367.

Adding to 142425501 its reverse (105524241), we get a palindrome (247949742).

The spelling of 142425501 in words is "one hundred forty-two million, four hundred twenty-five thousand, five hundred one".