145533566 has 8 divisors (see below), whose sum is σ = 231141600. Its totient is φ = 68486368.

The previous prime is 145533547. The next prime is 145533587. The reversal of 145533566 is 665335541.

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

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, 2140166 + ... + 2140233.

It is an arithmetic number, because the mean of its divisors is an integer number (28892700).

Almost surely, 2^145533566 is an apocalyptic number.

145533566 is a deficient number, since it is larger than the sum of its proper divisors (85608034).

145533566 is a wasteful number, since it uses less digits than its factorization.

145533566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280418.

The product of its digits is 162000, while the sum is 38.

The square root of 145533566 is about 12063.7293570438. The cubic root of 145533566 is about 526.0023974986.

The spelling of 145533566 in words is "one hundred forty-five million, five hundred thirty-three thousand, five hundred sixty-six".