145849228 has 24 divisors (see below), whose sum is σ = 292070912. Its totient is φ = 62427024.

The previous prime is 145849211. The next prime is 145849229. The reversal of 145849228 is 822948541.

145849228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145849229) 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, 22525 + ... + 28267.

Almost surely, 2^145849228 is an apocalyptic number.

It is an amenable number.

145849228 is an abundant number, since it is smaller than the sum of its proper divisors (146221684).

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

145849228 is a wasteful number, since it uses less digits than its factorization.

145849228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6661 (or 6659 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

The square root of 145849228 is about 12076.8053722829. The cubic root of 145849228 is about 526.3824222396.

The spelling of 145849228 in words is "one hundred forty-five million, eight hundred forty-nine thousand, two hundred twenty-eight".