142022154441 has 8 divisors (see below), whose sum is σ = 189373219360. Its totient is φ = 94676262912.

The previous prime is 142022154437. The next prime is 142022154473. The reversal of 142022154441 is 144451220241.

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

It is not a de Polignac number, because 142022154441 - 2² = 142022154437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142022154399 and 142022154408.

It is not an unprimeable number, because it can be changed into a prime (142022154481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1228831 + ... + 1339428.

It is an arithmetic number, because the mean of its divisors is an integer number (23671652420).

Almost surely, 2^142022154441 is an apocalyptic number.

It is an amenable number.

142022154441 is a deficient number, since it is larger than the sum of its proper divisors (47351064919).

142022154441 is a wasteful number, since it uses less digits than its factorization.

142022154441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586695.

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 142022154441 its reverse (144451220241), we get a palindrome (286473374682).

The spelling of 142022154441 in words is "one hundred forty-two billion, twenty-two million, one hundred fifty-four thousand, four hundred forty-one".