145266666 has 64 divisors (see below), whose sum is σ = 337996800. Its totient is φ = 41285376.

The previous prime is 145266659. The next prime is 145266677. The reversal of 145266666 is 666662541.

It is a happy number.

145266666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145266666² = 42204808501511112, which contains 22 as substring.

145266666 is a modest number, since divided by 66666 gives 1452 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42945 + ... + 46203.

It is an arithmetic number, because the mean of its divisors is an integer number (5281200).

Almost surely, 2^145266666 is an apocalyptic number.

145266666 is an abundant number, since it is smaller than the sum of its proper divisors (192730134).

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

145266666 is a wasteful number, since it uses less digits than its factorization.

145266666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323.

The product of its digits is 311040, while the sum is 42.

The square root of 145266666 is about 12052.6621955483. The cubic root of 145266666 is about 525.6806482424.

The spelling of 145266666 in words is "one hundred forty-five million, two hundred sixty-six thousand, six hundred sixty-six".