153450838 has 4 divisors (see below), whose sum is σ = 230176260. Its totient is φ = 76725418.

The previous prime is 153450833. The next prime is 153450841. The reversal of 153450838 is 838054351.

153450838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 838054351 = 197 ⋅4254083.

It is a junction number, because it is equal to n+sod(n) for n = 153450797 and 153450806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153450833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38362708 + ... + 38362711.

It is an arithmetic number, because the mean of its divisors is an integer number (57544065).

Almost surely, 2^153450838 is an apocalyptic number.

153450838 is a deficient number, since it is larger than the sum of its proper divisors (76725422).

153450838 is an equidigital number, since it uses as much as digits as its factorization.

153450838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76725421.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 153450838 is about 12387.5275176284. The cubic root of 153450838 is about 535.3729463538.

The spelling of 153450838 in words is "one hundred fifty-three million, four hundred fifty thousand, eight hundred thirty-eight".