142250553 has 8 divisors (see below), whose sum is σ = 210741600. Its totient is φ = 94833684.

The previous prime is 142250551. The next prime is 142250557. The reversal of 142250553 is 355052241.

It is a happy number.

It is not a de Polignac number, because 142250553 - 2¹ = 142250551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 5268539 = 142250553 / (1 + 4 + 2 + 2 + 5 + 0 + 5 + 5 + 3).

It is not an unprimeable number, because it can be changed into a prime (142250551) 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 7 ways as a sum of consecutive naturals, for example, 2634243 + ... + 2634296.

It is an arithmetic number, because the mean of its divisors is an integer number (26342700).

Almost surely, 2^142250553 is an apocalyptic number.

It is an amenable number.

142250553 is a deficient number, since it is larger than the sum of its proper divisors (68491047).

142250553 is an equidigital number, since it uses as much as digits as its factorization.

142250553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5268548 (or 5268542 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 142250553 is about 11926.8836248200. The cubic root of 142250553 is about 522.0170096188.

The spelling of 142250553 in words is "one hundred forty-two million, two hundred fifty thousand, five hundred fifty-three".