142401022501 has 16 divisors (see below), whose sum is σ = 147843311616. Its totient is φ = 137013750000.

The previous prime is 142401022499. The next prime is 142401022513. The reversal of 142401022501 is 105220104241.

It is a cyclic number.

It is not a de Polignac number, because 142401022501 - 2¹ = 142401022499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142401022601) 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, 4426926 + ... + 4458976.

It is an arithmetic number, because the mean of its divisors is an integer number (9240206976).

Almost surely, 2^142401022501 is an apocalyptic number.

It is an amenable number.

142401022501 is a deficient number, since it is larger than the sum of its proper divisors (5442289115).

142401022501 is a wasteful number, since it uses less digits than its factorization.

142401022501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32904.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 142401022501 its reverse (105220104241), we get a palindrome (247621126742).

The spelling of 142401022501 in words is "one hundred forty-two billion, four hundred one million, twenty-two thousand, five hundred one".