145143853 has 2 divisors, whose sum is σ = 145143854. Its totient is φ = 145143852.

The previous prime is 145143851. The next prime is 145143857. The reversal of 145143853 is 358341541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131171209 + 13972644 = 11453^2 + 3738^2 .

It is a cyclic number.

It is not a de Polignac number, because 145143853 - 2¹ = 145143851 is a prime.

Together with 145143851, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145143851) 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 as a sum of consecutive naturals, namely, 72571926 + 72571927.

It is an arithmetic number, because the mean of its divisors is an integer number (72571927).

Almost surely, 2^145143853 is an apocalyptic number.

It is an amenable number.

145143853 is a deficient number, since it is larger than the sum of its proper divisors (1).

145143853 is an equidigital number, since it uses as much as digits as its factorization.

145143853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 34.

The square root of 145143853 is about 12047.5662687532. The cubic root of 145143853 is about 525.5324641669.

The spelling of 145143853 in words is "one hundred forty-five million, one hundred forty-three thousand, eight hundred fifty-three".