142223453 has 16 divisors (see below), whose sum is σ = 151286400. Its totient is φ = 133492800.

The previous prime is 142223447. The next prime is 142223461. The reversal of 142223453 is 354322241.

It is not a de Polignac number, because 142223453 - 2¹⁴ = 142207069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142223413) 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 15 ways as a sum of consecutive naturals, for example, 172400 + ... + 173222.

It is an arithmetic number, because the mean of its divisors is an integer number (9455400).

Almost surely, 2^142223453 is an apocalyptic number.

It is an amenable number.

142223453 is a deficient number, since it is larger than the sum of its proper divisors (9062947).

142223453 is a wasteful number, since it uses less digits than its factorization.

142223453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012.

The product of its digits is 5760, while the sum is 26.

The square root of 142223453 is about 11925.7474818143. The cubic root of 142223453 is about 521.9838578803.

Adding to 142223453 its reverse (354322241), we get a palindrome (496545694).

The spelling of 142223453 in words is "one hundred forty-two million, two hundred twenty-three thousand, four hundred fifty-three".