145004128 has 12 divisors (see below), whose sum is σ = 285476940. Its totient is φ = 72502048.

The previous prime is 145004113. The next prime is 145004129. The reversal of 145004128 is 821400541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145004129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2265658 + ... + 2265721.

It is an arithmetic number, because the mean of its divisors is an integer number (23789745).

Almost surely, 2^145004128 is an apocalyptic number.

It is an amenable number.

145004128 is a deficient number, since it is larger than the sum of its proper divisors (140472812).

145004128 is an equidigital number, since it uses as much as digits as its factorization.

145004128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4531389 (or 4531381 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 145004128 is about 12041.7659834428. The cubic root of 145004128 is about 525.3637726757.

Adding to 145004128 its reverse (821400541), we get a palindrome (966404669).

The spelling of 145004128 in words is "one hundred forty-five million, four thousand, one hundred twenty-eight".