145666700 has 18 divisors (see below), whose sum is σ = 316096956. Its totient is φ = 58266640.

The previous prime is 145666691. The next prime is 145666709. The reversal of 145666700 is 7666541.

145666700 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145666691) and next prime (145666709).

It is not an unprimeable number, because it can be changed into a prime (145666709) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 728234 + ... + 728433.

It is an arithmetic number, because the mean of its divisors is an integer number (17560942).

Almost surely, 2^145666700 is an apocalyptic number.

145666700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145666700 is an abundant number, since it is smaller than the sum of its proper divisors (170430256).

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

145666700 is a wasteful number, since it uses less digits than its factorization.

145666700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456681 (or 1456674 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 145666700 is about 12069.2460410748. The cubic root of 145666700 is about 526.1627441500.

The spelling of 145666700 in words is "one hundred forty-five million, six hundred sixty-six thousand, seven hundred".