145063665 has 24 divisors (see below), whose sum is σ = 254479680. Its totient is φ = 76433184.

The previous prime is 145063649. The next prime is 145063741. The reversal of 145063665 is 566360541.

145063665 is a `hidden beast` number, since 14 + 5 + 0 + 636 + 6 + 5 = 666.

It is not a de Polignac number, because 145063665 - 2⁴ = 145063649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15685 + ... + 23154.

It is an arithmetic number, because the mean of its divisors is an integer number (10603320).

Almost surely, 2^145063665 is an apocalyptic number.

145063665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145063665 is a deficient number, since it is larger than the sum of its proper divisors (109416015).

145063665 is a wasteful number, since it uses less digits than its factorization.

145063665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38933 (or 38930 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 145063665 is about 12044.2378339188. The cubic root of 145063665 is about 525.4356655785.

The spelling of 145063665 in words is "one hundred forty-five million, sixty-three thousand, six hundred sixty-five".