145214263 has 4 divisors (see below), whose sum is σ = 145580440. Its totient is φ = 144848088.

The previous prime is 145214243. The next prime is 145214299. The reversal of 145214263 is 362412541.

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 145214263 - 2⁵ = 145214231 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 (145214243) 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, 182493 + ... + 183286.

It is an arithmetic number, because the mean of its divisors is an integer number (36395110).

Almost surely, 2^145214263 is an apocalyptic number.

145214263 is a deficient number, since it is larger than the sum of its proper divisors (366177).

145214263 is an equidigital number, since it uses as much as digits as its factorization.

145214263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366176.

The product of its digits is 5760, while the sum is 28.

The square root of 145214263 is about 12050.4880814015. The cubic root of 145214263 is about 525.6174298940.

The spelling of 145214263 in words is "one hundred forty-five million, two hundred fourteen thousand, two hundred sixty-three".