145530716 has 12 divisors (see below), whose sum is σ = 256538688. Its totient is φ = 72233952.

The previous prime is 145530703. The next prime is 145530733. The reversal of 145530716 is 617035541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132236 + ... + 133331.

It is an arithmetic number, because the mean of its divisors is an integer number (21378224).

Almost surely, 2^145530716 is an apocalyptic number.

It is an amenable number.

145530716 is a deficient number, since it is larger than the sum of its proper divisors (111007972).

145530716 is a wasteful number, since it uses less digits than its factorization.

145530716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265708 (or 265706 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 145530716 is about 12063.6112337890. The cubic root of 145530716 is about 525.9989638883.

The spelling of 145530716 in words is "one hundred forty-five million, five hundred thirty thousand, seven hundred sixteen".