145014223 has 6 divisors (see below), whose sum is σ = 148167536. Its totient is φ = 141926652.

The previous prime is 145014203. The next prime is 145014227. The reversal of 145014223 is 322410541.

It is not a de Polignac number, because 145014223 - 2⁹ = 145013711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145014194 and 145014203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145014227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30615 + ... + 35032.

Almost surely, 2^145014223 is an apocalyptic number.

145014223 is a deficient number, since it is larger than the sum of its proper divisors (3153313).

145014223 is an frugal number, since it uses more digits than its factorization.

145014223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65741 (or 65694 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 145014223 is about 12042.1851422406. The cubic root of 145014223 is about 525.3759641084.

Adding to 145014223 its reverse (322410541), we get a palindrome (467424764).

The spelling of 145014223 in words is "one hundred forty-five million, fourteen thousand, two hundred twenty-three".