145280611 has 8 divisors (see below), whose sum is σ = 170522720. Its totient is φ = 121160448.

The previous prime is 145280587. The next prime is 145280621. The reversal of 145280611 is 116082541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145280611 - 2⁷ = 145280483 is a prime.

It is a super-2 number, since 2×145280611² = 42212911865066642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145280611.

It is not an unprimeable number, because it can be changed into a prime (145280621) 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 7 ways as a sum of consecutive naturals, for example, 280206 + ... + 280723.

It is an arithmetic number, because the mean of its divisors is an integer number (21315340).

Almost surely, 2^145280611 is an apocalyptic number.

145280611 is a deficient number, since it is larger than the sum of its proper divisors (25242109).

145280611 is an equidigital number, since it uses as much as digits as its factorization.

145280611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560973.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 145280611 is about 12053.2406845628. The cubic root of 145280611 is about 525.6974687613.

The spelling of 145280611 in words is "one hundred forty-five million, two hundred eighty thousand, six hundred eleven".