142641501 has 16 divisors (see below), whose sum is σ = 195568128. Its totient is φ = 92422400.

The previous prime is 142641487. The next prime is 142641511. The reversal of 142641501 is 105146241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 142641501 - 2⁹ = 142640989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142641511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32500 + ... + 36626.

It is an arithmetic number, because the mean of its divisors is an integer number (12223008).

Almost surely, 2^142641501 is an apocalyptic number.

It is an amenable number.

142641501 is a deficient number, since it is larger than the sum of its proper divisors (52926627).

142641501 is a wasteful number, since it uses less digits than its factorization.

142641501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4452.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 142641501 is about 11943.2617404125. The cubic root of 142641501 is about 522.4947929550.

Adding to 142641501 its reverse (105146241), we get a palindrome (247787742).

The spelling of 142641501 in words is "one hundred forty-two million, six hundred forty-one thousand, five hundred one".