145697166 has 24 divisors (see below), whose sum is σ = 316227600. Its totient is φ = 48481056.

The previous prime is 145697147. The next prime is 145697177. The reversal of 145697166 is 661796541.

145697166 is a `hidden beast` number, since 14 + 569 + 71 + 6 + 6 = 666.

145697166 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 11 ways as a sum of consecutive naturals, for example, 4026 + ... + 17538.

It is an arithmetic number, because the mean of its divisors is an integer number (13176150).

Almost surely, 2^145697166 is an apocalyptic number.

145697166 is an abundant number, since it is smaller than the sum of its proper divisors (170530434).

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

145697166 is a wasteful number, since it uses less digits than its factorization.

145697166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14120 (or 14117 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 145697166 is about 12070.5081086092. The cubic root of 145697166 is about 526.1994236765.

The spelling of 145697166 in words is "one hundred forty-five million, six hundred ninety-seven thousand, one hundred sixty-six".