658423045 has 24 divisors (see below), whose sum is σ = 920428704. Its totient is φ = 450840096.

The previous prime is 658423027. The next prime is 658423049. The reversal of 658423045 is 540324856.

It is not a de Polignac number, because 658423045 - 2⁹ = 658422533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 658422995 and 658423013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (658423049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220734 + ... + 223696.

It is an arithmetic number, because the mean of its divisors is an integer number (38351196).

Almost surely, 2^658423045 is an apocalyptic number.

658423045 is the 14815-th octagonal number.

It is an amenable number.

658423045 is a deficient number, since it is larger than the sum of its proper divisors (262005659).

658423045 is a wasteful number, since it uses less digits than its factorization.

658423045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3889 (or 3882 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 658423045 is about 25659.7553573685. The cubic root of 658423045 is about 869.9647869660.

The spelling of 658423045 in words is "six hundred fifty-eight million, four hundred twenty-three thousand, forty-five".