142105553 has 2 divisors, whose sum is σ = 142105554. Its totient is φ = 142105552.

The previous prime is 142105517. The next prime is 142105559. The reversal of 142105553 is 355501241.

142105553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78552769 + 63552784 = 8863^2 + 7972^2 .

It is a cyclic number.

It is not a de Polignac number, because 142105553 - 2¹⁸ = 141843409 is a prime.

It is not a weakly prime, because it can be changed into another prime (142105559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71052776 + 71052777.

It is an arithmetic number, because the mean of its divisors is an integer number (71052777).

Almost surely, 2^142105553 is an apocalyptic number.

It is an amenable number.

142105553 is a deficient number, since it is larger than the sum of its proper divisors (1).

142105553 is an equidigital number, since it uses as much as digits as its factorization.

142105553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 142105553 is about 11920.8033705787. The cubic root of 142105553 is about 521.8395804329.

Adding to 142105553 its reverse (355501241), we get a palindrome (497606794).

The spelling of 142105553 in words is "one hundred forty-two million, one hundred five thousand, five hundred fifty-three".