142501453 has 2 divisors, whose sum is σ = 142501454. Its totient is φ = 142501452.

The previous prime is 142501421. The next prime is 142501459. The reversal of 142501453 is 354105241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132779529 + 9721924 = 11523^2 + 3118^2 .

It is a cyclic number.

It is not a de Polignac number, because 142501453 - 2⁵ = 142501421 is a prime.

It is a super-2 number, since 2×142501453² = 40613328214222418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142501459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71250726 + 71250727.

It is an arithmetic number, because the mean of its divisors is an integer number (71250727).

Almost surely, 2^142501453 is an apocalyptic number.

It is an amenable number.

142501453 is a deficient number, since it is larger than the sum of its proper divisors (1).

142501453 is an equidigital number, since it uses as much as digits as its factorization.

142501453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 142501453 is about 11937.3972456311. The cubic root of 142501453 is about 522.3237386889.

Adding to 142501453 its reverse (354105241), we get a palindrome (496606694).

The spelling of 142501453 in words is "one hundred forty-two million, five hundred one thousand, four hundred fifty-three".