145435665 has 8 divisors (see below), whose sum is σ = 232697088. Its totient is φ = 77565680.

The previous prime is 145435643. The next prime is 145435687. The reversal of 145435665 is 566534541.

It is an interprime number because it is at equal distance from previous prime (145435643) and next prime (145435687).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145435665 - 2¹⁸ = 145173521 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4847841 + ... + 4847870.

It is an arithmetic number, because the mean of its divisors is an integer number (29087136).

Almost surely, 2^145435665 is an apocalyptic number.

145435665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145435665 is a deficient number, since it is larger than the sum of its proper divisors (87261423).

145435665 is an equidigital number, since it uses as much as digits as its factorization.

145435665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9695719.

The product of its digits is 216000, while the sum is 39.

The square root of 145435665 is about 12059.6710154133. The cubic root of 145435665 is about 525.8844230828.

The spelling of 145435665 in words is "one hundred forty-five million, four hundred thirty-five thousand, six hundred sixty-five".