142104443 has 8 divisors (see below), whose sum is σ = 153522768. Its totient is φ = 130755744.

The previous prime is 142104407. The next prime is 142104493. The reversal of 142104443 is 344401241.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142104443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142104493) 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, 13121 + ... + 21362.

It is an arithmetic number, because the mean of its divisors is an integer number (19190346).

Almost surely, 2^142104443 is an apocalyptic number.

142104443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142104443 is a deficient number, since it is larger than the sum of its proper divisors (11418325).

142104443 is a wasteful number, since it uses less digits than its factorization.

142104443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34813.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 142104443 is about 11920.7568132229. The cubic root of 142104443 is about 521.8382217164.

Adding to 142104443 its reverse (344401241), we get a palindrome (486505684).

The spelling of 142104443 in words is "one hundred forty-two million, one hundred four thousand, four hundred forty-three".