142244411433 has 16 divisors (see below), whose sum is σ = 193746180096. Its totient is φ = 92787201680.

The previous prime is 142244411429. The next prime is 142244411443. The reversal of 142244411433 is 334114442241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 142244411433 - 2² = 142244411429 is a prime.

It is a super-2 number, since 2×142244411433² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142244411394 and 142244411403.

It is not an unprimeable number, because it can be changed into a prime (142244411443) 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, 403588 + ... + 668858.

It is an arithmetic number, because the mean of its divisors is an integer number (12109136256).

Almost surely, 2^142244411433 is an apocalyptic number.

It is an amenable number.

142244411433 is a deficient number, since it is larger than the sum of its proper divisors (51501768663).

142244411433 is a wasteful number, since it uses less digits than its factorization.

142244411433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269124.

The product of its digits is 36864, while the sum is 33.

Adding to 142244411433 its reverse (334114442241), we get a palindrome (476358853674).

The spelling of 142244411433 in words is "one hundred forty-two billion, two hundred forty-four million, four hundred eleven thousand, four hundred thirty-three".