145258283 has 4 divisors (see below), whose sum is σ = 145330560. Its totient is φ = 145186008.

The previous prime is 145258277. The next prime is 145258291. The reversal of 145258283 is 382852541.

145258283 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145258283 - 2⁸ = 145258027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145258273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33035 + ... + 37172.

It is an arithmetic number, because the mean of its divisors is an integer number (36332640).

Almost surely, 2^145258283 is an apocalyptic number.

145258283 is a deficient number, since it is larger than the sum of its proper divisors (72277).

145258283 is an equidigital number, since it uses as much as digits as its factorization.

145258283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72276.

The product of its digits is 76800, while the sum is 38.

The square root of 145258283 is about 12052.3144250389. The cubic root of 145258283 is about 525.6705361138.

It can be divided in two parts, 145258 and 283, that added together give a palindrome (145541).

The spelling of 145258283 in words is "one hundred forty-five million, two hundred fifty-eight thousand, two hundred eighty-three".