142266453 has 20 divisors (see below), whose sum is σ = 221301408. Its totient is φ = 81291000.

The previous prime is 142266437. The next prime is 142266491. The reversal of 142266453 is 354662241.

It is not a de Polignac number, because 142266453 - 2⁴ = 142266437 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142266253) 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 19 ways as a sum of consecutive naturals, for example, 2673 + ... + 17078.

Almost surely, 2^142266453 is an apocalyptic number.

It is an amenable number.

142266453 is a deficient number, since it is larger than the sum of its proper divisors (79034955).

142266453 is an frugal number, since it uses more digits than its factorization.

142266453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19782 (or 19761 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 142266453 is about 11927.5501675742. The cubic root of 142266453 is about 522.0364583100.

The spelling of 142266453 in words is "one hundred forty-two million, two hundred sixty-six thousand, four hundred fifty-three".