145227174 has 32 divisors (see below), whose sum is σ = 294865920. Its totient is φ = 47678400.

The previous prime is 145227161. The next prime is 145227179. The reversal of 145227174 is 471722541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145227179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229839 + ... + 230469.

It is an arithmetic number, because the mean of its divisors is an integer number (9214560).

Almost surely, 2^145227174 is an apocalyptic number.

145227174 is an abundant number, since it is smaller than the sum of its proper divisors (149638746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145227174 is a wasteful number, since it uses less digits than its factorization.

145227174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156.

The product of its digits is 15680, while the sum is 33.

The square root of 145227174 is about 12051.0237739372. The cubic root of 145227174 is about 525.6330069808.

The spelling of 145227174 in words is "one hundred forty-five million, two hundred twenty-seven thousand, one hundred seventy-four".