153845438 has 8 divisors (see below), whose sum is σ = 230918688. Its totient is φ = 76872544.

The previous prime is 153845437. The next prime is 153845449. The reversal of 153845438 is 834548351.

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

It is a junction number, because it is equal to n+sod(n) for n = 153845395 and 153845404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153845437) 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, 21131 + ... + 27462.

It is an arithmetic number, because the mean of its divisors is an integer number (28864836).

Almost surely, 2^153845438 is an apocalyptic number.

153845438 is a deficient number, since it is larger than the sum of its proper divisors (77073250).

153845438 is a wasteful number, since it uses less digits than its factorization.

153845438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50178.

The product of its digits is 230400, while the sum is 41.

The square root of 153845438 is about 12403.4446022063. Note that the first 3 decimals coincide. The cubic root of 153845438 is about 535.8314587600.

The spelling of 153845438 in words is "one hundred fifty-three million, eight hundred forty-five thousand, four hundred thirty-eight".