423525145 has 8 divisors (see below), whose sum is σ = 509071104. Its totient is φ = 338259504.

The previous prime is 423525139. The next prime is 423525163. The reversal of 423525145 is 541525324.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423525145 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 66739 + ... + 72808.

It is an arithmetic number, because the mean of its divisors is an integer number (63633888).

Almost surely, 2^423525145 is an apocalyptic number.

It is an amenable number.

423525145 is a deficient number, since it is larger than the sum of its proper divisors (85545959).

423525145 is a wasteful number, since it uses less digits than its factorization.

423525145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140159.

The product of its digits is 24000, while the sum is 31.

The square root of 423525145 is about 20579.7265530910. The cubic root of 423525145 is about 750.9765915105.

The spelling of 423525145 in words is "four hundred twenty-three million, five hundred twenty-five thousand, one hundred forty-five".