145732828 has 24 divisors (see below), whose sum is σ = 260593200. Its totient is φ = 71285760.

The previous prime is 145732817. The next prime is 145732837. The reversal of 145732828 is 828237541.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94423 + ... + 95953.

It is an arithmetic number, because the mean of its divisors is an integer number (10858050).

Almost surely, 2^145732828 is an apocalyptic number.

It is an amenable number.

145732828 is a deficient number, since it is larger than the sum of its proper divisors (114860372).

145732828 is a wasteful number, since it uses less digits than its factorization.

145732828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037 (or 2035 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 145732828 is about 12071.9852551268. The cubic root of 145732828 is about 526.2423524296.

The spelling of 145732828 in words is "one hundred forty-five million, seven hundred thirty-two thousand, eight hundred twenty-eight".