145668383 has 8 divisors (see below), whose sum is σ = 175240320. Its totient is φ = 118287000.

The previous prime is 145668379. The next prime is 145668389. The reversal of 145668383 is 383866541.

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

It is a cyclic number.

It is not a de Polignac number, because 145668383 - 2² = 145668379 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145668389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547493 + ... + 547758.

It is an arithmetic number, because the mean of its divisors is an integer number (21905040).

Almost surely, 2^145668383 is an apocalyptic number.

145668383 is a deficient number, since it is larger than the sum of its proper divisors (29571937).

145668383 is a wasteful number, since it uses less digits than its factorization.

145668383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095277.

The product of its digits is 414720, while the sum is 44.

The square root of 145668383 is about 12069.3157635385. The cubic root of 145668383 is about 526.1647705305.

The spelling of 145668383 in words is "one hundred forty-five million, six hundred sixty-eight thousand, three hundred eighty-three".