144474730 has 32 divisors (see below), whose sum is σ = 272160000. Its totient is φ = 55114752.

The previous prime is 144474719. The next prime is 144474731. The reversal of 144474730 is 37474441.

It is not an unprimeable number, because it can be changed into a prime (144474731) 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 15 ways as a sum of consecutive naturals, for example, 102571 + ... + 103969.

It is an arithmetic number, because the mean of its divisors is an integer number (8505000).

Almost surely, 2^144474730 is an apocalyptic number.

144474730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144474730 is a deficient number, since it is larger than the sum of its proper divisors (127685270).

144474730 is a wasteful number, since it uses less digits than its factorization.

144474730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878.

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 144474730 is about 12019.7641407808. The cubic root of 144474730 is about 524.7236398859.

It can be divided in two parts, 14 and 4474730, that added together give a palindrome (4474744).

The spelling of 144474730 in words is "one hundred forty-four million, four hundred seventy-four thousand, seven hundred thirty".