244154938 has 4 divisors (see below), whose sum is σ = 366232410. Its totient is φ = 122077468.

The previous prime is 244154927. The next prime is 244154987. The reversal of 244154938 is 839451442.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 207273609 + 36881329 = 14397^2 + 6073^2 .

It is a super-2 number, since 2×244154938² = 119223267499567688, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 244154938.

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 as a sum of consecutive naturals, namely, 61038733 + ... + 61038736.

Almost surely, 2^244154938 is an apocalyptic number.

244154938 is a deficient number, since it is larger than the sum of its proper divisors (122077472).

244154938 is a wasteful number, since it uses less digits than its factorization.

244154938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122077471.

The product of its digits is 138240, while the sum is 40.

The square root of 244154938 is about 15625.4580092873. The cubic root of 244154938 is about 625.0122135213.

The spelling of 244154938 in words is "two hundred forty-four million, one hundred fifty-four thousand, nine hundred thirty-eight".