623160145 has 4 divisors (see below), whose sum is σ = 747792180. Its totient is φ = 498528112.

The previous prime is 623160133. The next prime is 623160163. The reversal of 623160145 is 541061326.

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 431143696 + 192016449 = 20764^2 + 13857^2 .

It is a cyclic number.

It is not a de Polignac number, because 623160145 - 2⁷ = 623160017 is a prime.

It is an unprimeable number.

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, 62316010 + ... + 62316019.

It is an arithmetic number, because the mean of its divisors is an integer number (186948045).

Almost surely, 2^623160145 is an apocalyptic number.

It is an amenable number.

623160145 is a deficient number, since it is larger than the sum of its proper divisors (124632035).

623160145 is a wasteful number, since it uses less digits than its factorization.

623160145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124632034.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 623160145 is about 24963.1757795357. The cubic root of 623160145 is about 854.1481866740.

The spelling of 623160145 in words is "six hundred twenty-three million, one hundred sixty thousand, one hundred forty-five".