153823642 has 48 divisors (see below), whose sum is σ = 277545312. Its totient is φ = 63715680.

The previous prime is 153823613. The next prime is 153823661. The reversal of 153823642 is 246328351.

It is a junction number, because it is equal to n+sod(n) for n = 153823598 and 153823607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 728917 + ... + 729127.

It is an arithmetic number, because the mean of its divisors is an integer number (5782194).

Almost surely, 2^153823642 is an apocalyptic number.

153823642 is a deficient number, since it is larger than the sum of its proper divisors (123721670).

153823642 is a wasteful number, since it uses less digits than its factorization.

153823642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 436 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 153823642 is about 12402.5659441907. The cubic root of 153823642 is about 535.8061529851.

The spelling of 153823642 in words is "one hundred fifty-three million, eight hundred twenty-three thousand, six hundred forty-two".