144904930 has 8 divisors (see below), whose sum is σ = 260828892. Its totient is φ = 57961968.

The previous prime is 144904919. The next prime is 144904933. The reversal of 144904930 is 39409441.

It can be written as a sum of positive squares in 2 ways, for example, as 134722449 + 10182481 = 11607^2 + 3191^2 .

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

It is not an unprimeable number, because it can be changed into a prime (144904933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7245237 + ... + 7245256.

Almost surely, 2^144904930 is an apocalyptic number.

144904930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144904930 is a deficient number, since it is larger than the sum of its proper divisors (115923962).

144904930 is a wasteful number, since it uses less digits than its factorization.

144904930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14490500.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 144904930 is about 12037.6463646346. The cubic root of 144904930 is about 525.2439440777.

The spelling of 144904930 in words is "one hundred forty-four million, nine hundred four thousand, nine hundred thirty".