145630263 has 4 divisors (see below), whose sum is σ = 194173688. Its totient is φ = 97086840.

The previous prime is 145630253. The next prime is 145630267. The reversal of 145630263 is 362036541.

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

It is not a de Polignac number, because 145630263 - 2⁹ = 145629751 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145630263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145630267) 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 in 3 ways as a sum of consecutive naturals, for example, 24271708 + ... + 24271713.

It is an arithmetic number, because the mean of its divisors is an integer number (48543422).

Almost surely, 2^145630263 is an apocalyptic number.

145630263 is a deficient number, since it is larger than the sum of its proper divisors (48543425).

145630263 is an equidigital number, since it uses as much as digits as its factorization.

145630263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48543424.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 145630263 is about 12067.7364488955. The cubic root of 145630263 is about 526.1188691242.

The spelling of 145630263 in words is "one hundred forty-five million, six hundred thirty thousand, two hundred sixty-three".