145260601 has 4 divisors (see below), whose sum is σ = 145287412. Its totient is φ = 145233792.

The previous prime is 145260589. The next prime is 145260659. The reversal of 145260601 is 106062541.

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

It can be written as a sum of positive squares in 2 ways, for example, as 78854400 + 66406201 = 8880^2 + 8149^2 .

It is a cyclic number.

It is not a de Polignac number, because 145260601 - 2⁷ = 145260473 is a prime.

It is a super-2 number, since 2×145260601² = 42201284405762402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145260671) 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, 2100 + ... + 17173.

It is an arithmetic number, because the mean of its divisors is an integer number (36321853).

Almost surely, 2^145260601 is an apocalyptic number.

It is an amenable number.

145260601 is a deficient number, since it is larger than the sum of its proper divisors (26811).

145260601 is an equidigital number, since it uses as much as digits as its factorization.

145260601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26810.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 145260601 is about 12052.4105887578. The cubic root of 145260601 is about 525.6733322775.

The spelling of 145260601 in words is "one hundred forty-five million, two hundred sixty thousand, six hundred one".