145634666 has 8 divisors (see below), whose sum is σ = 227949984. Its totient is φ = 69651340.

The previous prime is 145634663. The next prime is 145634669. The reversal of 145634666 is 666436541.

145634666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145634663) and next prime (145634669).

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145634663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1582940 + ... + 1583031.

It is an arithmetic number, because the mean of its divisors is an integer number (28493748).

Almost surely, 2^145634666 is an apocalyptic number.

145634666 is a deficient number, since it is larger than the sum of its proper divisors (82315318).

145634666 is a wasteful number, since it uses less digits than its factorization.

145634666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165996.

The product of its digits is 311040, while the sum is 41.

The square root of 145634666 is about 12067.9188760946. The cubic root of 145634666 is about 526.1241713143.

The spelling of 145634666 in words is "one hundred forty-five million, six hundred thirty-four thousand, six hundred sixty-six".