146448263 has 4 divisors (see below), whose sum is σ = 157713528. Its totient is φ = 135183000.

The previous prime is 146448233. The next prime is 146448277. The reversal of 146448263 is 362844641.

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 146448263 - 2¹² = 146444167 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 (146448223) 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, 5632613 + ... + 5632638.

It is an arithmetic number, because the mean of its divisors is an integer number (39428382).

Almost surely, 2^146448263 is an apocalyptic number.

146448263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

146448263 is a deficient number, since it is larger than the sum of its proper divisors (11265265).

146448263 is a wasteful number, since it uses less digits than its factorization.

146448263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11265264.

The product of its digits is 110592, while the sum is 38.

The square root of 146448263 is about 12101.5810124132. The cubic root of 146448263 is about 527.1020941515.

The spelling of 146448263 in words is "one hundred forty-six million, four hundred forty-eight thousand, two hundred sixty-three".