145844328 has 32 divisors (see below), whose sum is σ = 416698560. Its totient is φ = 41669760.

The previous prime is 145844299. The next prime is 145844371. The reversal of 145844328 is 823448541.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433893 + ... + 434228.

It is an arithmetic number, because the mean of its divisors is an integer number (13021830).

Almost surely, 2^145844328 is an apocalyptic number.

It is an amenable number.

145844328 is an abundant number, since it is smaller than the sum of its proper divisors (270854232).

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

145844328 is a wasteful number, since it uses less digits than its factorization.

145844328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868137 (or 868133 counting only the distinct ones).

The product of its digits is 122880, while the sum is 39.

The square root of 145844328 is about 12076.6025023597. The cubic root of 145844328 is about 526.3765273329.

The spelling of 145844328 in words is "one hundred forty-five million, eight hundred forty-four thousand, three hundred twenty-eight".