238672151 has 2 divisors, whose sum is σ = 238672152. Its totient is φ = 238672150.

The previous prime is 238672141. The next prime is 238672207. The reversal of 238672151 is 151276832.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238672151 - 2⁶ = 238672087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238672141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119336075 + 119336076.

It is an arithmetic number, because the mean of its divisors is an integer number (119336076).

Almost surely, 2^238672151 is an apocalyptic number.

238672151 is a deficient number, since it is larger than the sum of its proper divisors (1).

238672151 is an equidigital number, since it uses as much as digits as its factorization.

238672151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

The square root of 238672151 is about 15449.0178004946. The cubic root of 238672151 is about 620.2982877895.

The spelling of 238672151 in words is "two hundred thirty-eight million, six hundred seventy-two thousand, one hundred fifty-one".