238145012 has 24 divisors (see below), whose sum is σ = 501359040. Its totient is φ = 96690240.

The previous prime is 238145003. The next prime is 238145021. The reversal of 238145012 is 210541832.

It is an interprime number because it is at equal distance from previous prime (238145003) and next prime (238145021).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223289 + ... + 224352.

It is an arithmetic number, because the mean of its divisors is an integer number (20889960).

Almost surely, 2^238145012 is an apocalyptic number.

It is an amenable number.

238145012 is an abundant number, since it is smaller than the sum of its proper divisors (263214028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238145012 is a wasteful number, since it uses less digits than its factorization.

238145012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447671 (or 447669 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 238145012 is about 15431.9477707773. The cubic root of 238145012 is about 619.8412809117.

Adding to 238145012 its reverse (210541832), we get a palindrome (448686844).

The spelling of 238145012 in words is "two hundred thirty-eight million, one hundred forty-five thousand, twelve".