238154670151 has 4 divisors (see below), whose sum is σ = 238159490704. Its totient is φ = 238149849600.

The previous prime is 238154670133. The next prime is 238154670161. The reversal of 238154670151 is 151076451832.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 238154670151 - 2⁵ = 238154670119 is a prime.

It is a super-2 number, since 2×238154670151² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 238154670098 and 238154670107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238154670101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2335395 + ... + 2435236.

It is an arithmetic number, because the mean of its divisors is an integer number (59539872676).

Almost surely, 2^238154670151 is an apocalyptic number.

238154670151 is a deficient number, since it is larger than the sum of its proper divisors (4820553).

238154670151 is an equidigital number, since it uses as much as digits as its factorization.

238154670151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4820552.

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 238154670151 in words is "two hundred thirty-eight billion, one hundred fifty-four million, six hundred seventy thousand, one hundred fifty-one".