146455664 has 20 divisors (see below), whose sum is σ = 283999680. Its totient is φ = 73165440.

The previous prime is 146455637. The next prime is 146455669. The reversal of 146455664 is 466554641.

146455664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146455669) 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, 19844 + ... + 26204.

It is an arithmetic number, because the mean of its divisors is an integer number (14199984).

Almost surely, 2^146455664 is an apocalyptic number.

It is an amenable number.

146455664 is a deficient number, since it is larger than the sum of its proper divisors (137544016).

146455664 is a wasteful number, since it uses less digits than its factorization.

146455664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7808 (or 7802 counting only the distinct ones).

The product of its digits is 345600, while the sum is 41.

The square root of 146455664 is about 12101.8867950415. The cubic root of 146455664 is about 527.1109733211.

The spelling of 146455664 in words is "one hundred forty-six million, four hundred fifty-five thousand, six hundred sixty-four".