145664334 has 12 divisors (see below), whose sum is σ = 315606096. Its totient is φ = 48554772.

The previous prime is 145664297. The next prime is 145664341. The reversal of 145664334 is 433466541.

145664334 is a `hidden beast` number, since 1 + 4 + 5 + 6 + 643 + 3 + 4 = 666.

145664334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4046214 + ... + 4046249.

It is an arithmetic number, because the mean of its divisors is an integer number (26300508).

Almost surely, 2^145664334 is an apocalyptic number.

145664334 is an abundant number, since it is smaller than the sum of its proper divisors (169941762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145664334 is a wasteful number, since it uses less digits than its factorization.

145664334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8092471 (or 8092468 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 145664334 is about 12069.1480229551. The cubic root of 145664334 is about 526.1598953914.

The spelling of 145664334 in words is "one hundred forty-five million, six hundred sixty-four thousand, three hundred thirty-four".