145257166 has 16 divisors (see below), whose sum is σ = 234236160. Its totient is φ = 67341240.

The previous prime is 145257157. The next prime is 145257173. The reversal of 145257166 is 661752541.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38880 + ... + 42451.

It is an arithmetic number, because the mean of its divisors is an integer number (14639760).

Almost surely, 2^145257166 is an apocalyptic number.

145257166 is a deficient number, since it is larger than the sum of its proper divisors (88978994).

145257166 is a wasteful number, since it uses less digits than its factorization.

145257166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81399.

The product of its digits is 50400, while the sum is 37.

The square root of 145257166 is about 12052.2680853025. The cubic root of 145257166 is about 525.6691886852.

The spelling of 145257166 in words is "one hundred forty-five million, two hundred fifty-seven thousand, one hundred sixty-six".