145247163 has 16 divisors (see below), whose sum is σ = 203529216. Its totient is φ = 92020320.

The previous prime is 145247119. The next prime is 145247197. The reversal of 145247163 is 361742541.

145247163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145247163 - 2¹⁰ = 145246139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145247563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10443 + ... + 19988.

It is an arithmetic number, because the mean of its divisors is an integer number (12720576).

Almost surely, 2^145247163 is an apocalyptic number.

145247163 is a deficient number, since it is larger than the sum of its proper divisors (58282053).

145247163 is a wasteful number, since it uses less digits than its factorization.

145247163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30514.

The product of its digits is 20160, while the sum is 33.

The square root of 145247163 is about 12051.8530940267. The cubic root of 145247163 is about 525.6571218345.

The spelling of 145247163 in words is "one hundred forty-five million, two hundred forty-seven thousand, one hundred sixty-three".