142233145331 has 16 divisors (see below), whose sum is σ = 153592167168. Its totient is φ = 131361516000.

The previous prime is 142233145277. The next prime is 142233145427. The reversal of 142233145331 is 133541332241.

It is a cyclic number.

It is not a de Polignac number, because 142233145331 - 2²² = 142228951027 is a prime.

It is a super-2 number, since 2×142233145331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142233144331) 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, 526445 + ... + 749406.

It is an arithmetic number, because the mean of its divisors is an integer number (9599510448).

Almost surely, 2^142233145331 is an apocalyptic number.

142233145331 is a deficient number, since it is larger than the sum of its proper divisors (11359021837).

142233145331 is a wasteful number, since it uses less digits than its factorization.

142233145331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276042.

The product of its digits is 25920, while the sum is 32.

Adding to 142233145331 its reverse (133541332241), we get a palindrome (275774477572).

The spelling of 142233145331 in words is "one hundred forty-two billion, two hundred thirty-three million, one hundred forty-five thousand, three hundred thirty-one".