142201351 has 4 divisors (see below), whose sum is σ = 142337704. Its totient is φ = 142065000.

The previous prime is 142201349. The next prime is 142201361. The reversal of 142201351 is 153102241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142201351 - 2¹ = 142201349 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 (142201331) 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 3 ways as a sum of consecutive naturals, for example, 66600 + ... + 68701.

It is an arithmetic number, because the mean of its divisors is an integer number (35584426).

Almost surely, 2^142201351 is an apocalyptic number.

142201351 is a deficient number, since it is larger than the sum of its proper divisors (136353).

142201351 is a wasteful number, since it uses less digits than its factorization.

142201351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136352.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 142201351 is about 11924.8207952992. The cubic root of 142201351 is about 521.9568171341.

Adding to 142201351 its reverse (153102241), we get a palindrome (295303592).

The spelling of 142201351 in words is "one hundred forty-two million, two hundred one thousand, three hundred fifty-one".