153801938 has 8 divisors (see below), whose sum is σ = 230791680. Its totient is φ = 76871380.

The previous prime is 153801931. The next prime is 153801959. The reversal of 153801938 is 839108351.

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

It is a super-2 number, since 2×153801938² = 47310072265111688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (153801931) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7598 + ... + 19113.

It is an arithmetic number, because the mean of its divisors is an integer number (28848960).

Almost surely, 2^153801938 is an apocalyptic number.

153801938 is a deficient number, since it is larger than the sum of its proper divisors (76989742).

153801938 is a wasteful number, since it uses less digits than its factorization.

153801938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29592.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 153801938 is about 12401.6909330946. The cubic root of 153801938 is about 535.7809516494.

The spelling of 153801938 in words is "one hundred fifty-three million, eight hundred one thousand, nine hundred thirty-eight".