145028784 has 40 divisors (see below), whose sum is σ = 376750192. Its totient is φ = 48072960.

The previous prime is 145028773. The next prime is 145028791. The reversal of 145028784 is 487820541.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342 + ... + 17034.

Almost surely, 2^145028784 is an apocalyptic number.

It is an amenable number.

145028784 is an abundant number, since it is smaller than the sum of its proper divisors (231721408).

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

145028784 is a wasteful number, since it uses less digits than its factorization.

145028784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16885 (or 16879 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 145028784 is about 12042.7897100298. The cubic root of 145028784 is about 525.3935480006.

The spelling of 145028784 in words is "one hundred forty-five million, twenty-eight thousand, seven hundred eighty-four".