142104401 has 12 divisors (see below), whose sum is σ = 153651204. Its totient is φ = 131328000.

The previous prime is 142104397. The next prime is 142104407. The reversal of 142104401 is 104401241.

It can be written as a sum of positive squares in 2 ways, for example, as 51854401 + 90250000 = 7201^2 + 9500^2 .

It is not a de Polignac number, because 142104401 - 2² = 142104397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142104401.

It is not an unprimeable number, because it can be changed into a prime (142104407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10001 + ... + 19601.

It is an arithmetic number, because the mean of its divisors is an integer number (12804267).

Almost surely, 2^142104401 is an apocalyptic number.

It is an amenable number.

142104401 is a deficient number, since it is larger than the sum of its proper divisors (11546803).

142104401 is an equidigital number, since it uses as much as digits as its factorization.

142104401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9680 (or 9661 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 142104401 is about 11920.7550515896. The cubic root of 142104401 is about 521.8381703054.

Adding to 142104401 its reverse (104401241), we get a palindrome (246505642).

The spelling of 142104401 in words is "one hundred forty-two million, one hundred four thousand, four hundred one".