145066826 has 4 divisors (see below), whose sum is σ = 217600242. Its totient is φ = 72533412.

The previous prime is 145066813. The next prime is 145066849. The reversal of 145066826 is 628660541.

145066826 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 134536801 + 10530025 = 11599^2 + 3245^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 145066826.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36266705 + ... + 36266708.

Almost surely, 2^145066826 is an apocalyptic number.

145066826 is a deficient number, since it is larger than the sum of its proper divisors (72533416).

145066826 is an equidigital number, since it uses as much as digits as its factorization.

145066826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72533415.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 145066826 is about 12044.3690577797. The cubic root of 145066826 is about 525.4394820409.

The spelling of 145066826 in words is "one hundred forty-five million, sixty-six thousand, eight hundred twenty-six".