238525454 has 8 divisors (see below), whose sum is σ = 366514848. Its totient is φ = 116353840.

The previous prime is 238525447. The next prime is 238525457. The reversal of 238525454 is 454525832.

It is a happy number.

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

It is a super-2 number, since 2×238525454² = 113788784411812232, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238525457) 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, 1454342 + ... + 1454505.

It is an arithmetic number, because the mean of its divisors is an integer number (45814356).

Almost surely, 2^238525454 is an apocalyptic number.

238525454 is a deficient number, since it is larger than the sum of its proper divisors (127989394).

238525454 is a wasteful number, since it uses less digits than its factorization.

238525454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908890.

The product of its digits is 192000, while the sum is 38.

The square root of 238525454 is about 15444.2692931715. The cubic root of 238525454 is about 620.1711754206.

The spelling of 238525454 in words is "two hundred thirty-eight million, five hundred twenty-five thousand, four hundred fifty-four".