145004234 has 16 divisors (see below), whose sum is σ = 225292320. Its totient is φ = 69913200.

The previous prime is 145004201. The next prime is 145004239. The reversal of 145004234 is 432400541.

It is not an unprimeable number, because it can be changed into a prime (145004239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83297 + ... + 85019.

It is an arithmetic number, because the mean of its divisors is an integer number (14080770).

Almost surely, 2^145004234 is an apocalyptic number.

145004234 is a deficient number, since it is larger than the sum of its proper divisors (80288086).

145004234 is a wasteful number, since it uses less digits than its factorization.

145004234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 145004234 is about 12041.7703847898. The cubic root of 145004234 is about 525.3639006917.

Adding to 145004234 its reverse (432400541), we get a palindrome (577404775).

The spelling of 145004234 in words is "one hundred forty-five million, four thousand, two hundred thirty-four".