303852138 has 8 divisors (see below), whose sum is σ = 607704288. Its totient is φ = 101284044.

The previous prime is 303852083. The next prime is 303852151. The reversal of 303852138 is 831258303.

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

303852138 is an admirable number.

It is a super-2 number, since 2×303852138² = 184652243534342088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 303852099 and 303852108.

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 3 ways as a sum of consecutive naturals, for example, 25321006 + ... + 25321017.

It is an arithmetic number, because the mean of its divisors is an integer number (75963036).

Almost surely, 2^303852138 is an apocalyptic number.

303852138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

303852138 is a wasteful number, since it uses less digits than its factorization.

303852138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50642028.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 303852138 is about 17431.3550247822. The cubic root of 303852138 is about 672.2860486788.

It can be divided in two parts, 30385 and 2138, that added together give a palindrome (32523).

The spelling of 303852138 in words is "three hundred three million, eight hundred fifty-two thousand, one hundred thirty-eight".