145047175 has 48 divisors (see below), whose sum is σ = 223874560. Its totient is φ = 90771840.

The previous prime is 145047173. The next prime is 145047181. The reversal of 145047175 is 571740541.

145047175 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 145047175 - 2¹ = 145047173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145047175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145047173) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 234016 + ... + 234634.

Almost surely, 2^145047175 is an apocalyptic number.

145047175 is a deficient number, since it is larger than the sum of its proper divisors (78827385).

145047175 is a wasteful number, since it uses less digits than its factorization.

145047175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752 (or 747 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 145047175 is about 12043.5532547500. The cubic root of 145047175 is about 525.4157553263.

The spelling of 145047175 in words is "one hundred forty-five million, forty-seven thousand, one hundred seventy-five".