142522342251 has 8 divisors (see below), whose sum is σ = 190769206224. Its totient is φ = 94645186560.

The previous prime is 142522342231. The next prime is 142522342253. The reversal of 142522342251 is 152243225241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142522342251 - 2⁵ = 142522342219 is a prime.

It is a super-2 number, since 2×142522342251² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142522342253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92426170 + ... + 92427711.

It is an arithmetic number, because the mean of its divisors is an integer number (23846150778).

Almost surely, 2^142522342251 is an apocalyptic number.

142522342251 is a deficient number, since it is larger than the sum of its proper divisors (48246863973).

142522342251 is a wasteful number, since it uses less digits than its factorization.

142522342251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184854141.

The product of its digits is 38400, while the sum is 33.

Adding to 142522342251 its reverse (152243225241), we get a palindrome (294765567492).

The spelling of 142522342251 in words is "one hundred forty-two billion, five hundred twenty-two million, three hundred forty-two thousand, two hundred fifty-one".