142061831053 has 4 divisors (see below), whose sum is σ = 142130033728. Its totient is φ = 141993628380.

The previous prime is 142061831011. The next prime is 142061831183. The reversal of 142061831053 is 350138160241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142061831053 - 2²¹ = 142059733901 is a prime.

It is a super-2 number, since 2×142061831053² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142061831953) 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, 34098213 + ... + 34102378.

It is an arithmetic number, because the mean of its divisors is an integer number (35532508432).

Almost surely, 2^142061831053 is an apocalyptic number.

It is an amenable number.

142061831053 is a deficient number, since it is larger than the sum of its proper divisors (68202675).

142061831053 is an equidigital number, since it uses as much as digits as its factorization.

142061831053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68202674.

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 142061831053 its reverse (350138160241), we get a palindrome (492199991294).

The spelling of 142061831053 in words is "one hundred forty-two billion, sixty-one million, eight hundred thirty-one thousand, fifty-three".