145866727 has 4 divisors (see below), whose sum is σ = 146166736. Its totient is φ = 145566720.

The previous prime is 145866701. The next prime is 145866737. The reversal of 145866727 is 727668541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145866727 - 2¹¹ = 145864679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145866737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149274 + ... + 150247.

It is an arithmetic number, because the mean of its divisors is an integer number (36541684).

Almost surely, 2^145866727 is an apocalyptic number.

145866727 is a deficient number, since it is larger than the sum of its proper divisors (300009).

145866727 is an equidigital number, since it uses as much as digits as its factorization.

145866727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300008.

The product of its digits is 564480, while the sum is 46.

The square root of 145866727 is about 12077.5298385059. The cubic root of 145866727 is about 526.4034731970.

The spelling of 145866727 in words is "one hundred forty-five million, eight hundred sixty-six thousand, seven hundred twenty-seven".