145093665 has 16 divisors (see below), whose sum is σ = 232846848. Its totient is φ = 77150976.

The previous prime is 145093651. The next prime is 145093673. The reversal of 145093665 is 566390541.

It is not a de Polignac number, because 145093665 - 2⁴ = 145093649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9297 + ... + 19406.

It is an arithmetic number, because the mean of its divisors is an integer number (14552928).

Almost surely, 2^145093665 is an apocalyptic number.

145093665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145093665 is a deficient number, since it is larger than the sum of its proper divisors (87753183).

145093665 is a wasteful number, since it uses less digits than its factorization.

145093665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29048.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 145093665 is about 12045.4831783536. The cubic root of 145093665 is about 525.4718841208.

The spelling of 145093665 in words is "one hundred forty-five million, ninety-three thousand, six hundred sixty-five".