145275226 has 8 divisors (see below), whose sum is σ = 222024564. Its totient is φ = 71267040.

The previous prime is 145275223. The next prime is 145275227. The reversal of 145275226 is 622572541.

It can be written as a sum of positive squares in 2 ways, for example, as 123232201 + 22043025 = 11101^2 + 4695^2 .

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

It is a super-2 number, since 2×145275226² = 42209782578702152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145275191 and 145275200.

It is not an unprimeable number, because it can be changed into a prime (145275223) 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 3 ways as a sum of consecutive naturals, for example, 685155 + ... + 685366.

Almost surely, 2^145275226 is an apocalyptic number.

145275226 is a deficient number, since it is larger than the sum of its proper divisors (76749338).

145275226 is a wasteful number, since it uses less digits than its factorization.

145275226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370576.

The product of its digits is 33600, while the sum is 34.

The square root of 145275226 is about 12053.0172985854. The cubic root of 145275226 is about 525.6909734788.

The spelling of 145275226 in words is "one hundred forty-five million, two hundred seventy-five thousand, two hundred twenty-six".