145143263 has 4 divisors (see below), whose sum is σ = 153681120. Its totient is φ = 136605408.

The previous prime is 145143233. The next prime is 145143269. The reversal of 145143263 is 362341541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 362341541 = 127 ⋅2853083.

It is a cyclic number.

It is not a de Polignac number, because 145143263 - 2⁸ = 145143007 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 (145143269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4268903 + ... + 4268936.

It is an arithmetic number, because the mean of its divisors is an integer number (38420280).

Almost surely, 2^145143263 is an apocalyptic number.

145143263 is a deficient number, since it is larger than the sum of its proper divisors (8537857).

145143263 is an equidigital number, since it uses as much as digits as its factorization.

145143263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8537856.

The product of its digits is 8640, while the sum is 29.

The square root of 145143263 is about 12047.5417824550. The cubic root of 145143263 is about 525.5317520813.

The spelling of 145143263 in words is "one hundred forty-five million, one hundred forty-three thousand, two hundred sixty-three".