234885945 has 16 divisors (see below), whose sum is σ = 429505920. Its totient is φ = 107376384.

The previous prime is 234885943. The next prime is 234885979. The reversal of 234885945 is 549588432.

It is not a de Polignac number, because 234885945 - 2¹ = 234885943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234885894 and 234885903.

It is not an unprimeable number, because it can be changed into a prime (234885943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1118400 + ... + 1118609.

It is an arithmetic number, because the mean of its divisors is an integer number (26844120).

Almost surely, 2^234885945 is an apocalyptic number.

It is an amenable number.

234885945 is a deficient number, since it is larger than the sum of its proper divisors (194619975).

234885945 is a wasteful number, since it uses less digits than its factorization.

234885945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237024.

The product of its digits is 1382400, while the sum is 48.

The square root of 234885945 is about 15325.9892013534. The cubic root of 234885945 is about 617.0007285028. Note that the first 3 decimals are identical.

The spelling of 234885945 in words is "two hundred thirty-four million, eight hundred eighty-five thousand, nine hundred forty-five".