142319201 has 4 divisors (see below), whose sum is σ = 143728404. Its totient is φ = 140910000.

The previous prime is 142319179. The next prime is 142319209. The reversal of 142319201 is 102913241.

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

It can be written as a sum of positive squares in 2 ways, for example, as 127148176 + 15171025 = 11276^2 + 3895^2 .

It is a cyclic number.

It is not a de Polignac number, because 142319201 - 2⁶ = 142319137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142319209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704450 + ... + 704651.

It is an arithmetic number, because the mean of its divisors is an integer number (35932101).

Almost surely, 2^142319201 is an apocalyptic number.

It is an amenable number.

142319201 is a deficient number, since it is larger than the sum of its proper divisors (1409203).

142319201 is a wasteful number, since it uses less digits than its factorization.

142319201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409202.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 142319201 is about 11929.7611459744. The cubic root of 142319201 is about 522.1009686613.

It can be divided in two parts, 14231 and 9201, that added together give a palindrome (23432).

The spelling of 142319201 in words is "one hundred forty-two million, three hundred nineteen thousand, two hundred one".