145816716 has 24 divisors (see below), whose sum is σ = 358146880. Its totient is φ = 46047312.

The previous prime is 145816709. The next prime is 145816721. The reversal of 145816716 is 617618541.

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, 319546 + ... + 320001.

Almost surely, 2^145816716 is an apocalyptic number.

It is an amenable number.

145816716 is an abundant number, since it is smaller than the sum of its proper divisors (212330164).

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

145816716 is a wasteful number, since it uses less digits than its factorization.

145816716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639573 (or 639571 counting only the distinct ones).

The product of its digits is 40320, while the sum is 39.

The square root of 145816716 is about 12075.4592459252. The cubic root of 145816716 is about 526.3433064638.

The spelling of 145816716 in words is "one hundred forty-five million, eight hundred sixteen thousand, seven hundred sixteen".