144433402 has 16 divisors (see below), whose sum is σ = 235411200. Its totient is φ = 66208320.

The previous prime is 144433391. The next prime is 144433451. The reversal of 144433402 is 204334441.

144433402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×144433402² = 41722015226587208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60127 + ... + 62482.

It is an arithmetic number, because the mean of its divisors is an integer number (14713200).

Almost surely, 2^144433402 is an apocalyptic number.

144433402 is a deficient number, since it is larger than the sum of its proper divisors (90977798).

144433402 is a wasteful number, since it uses less digits than its factorization.

144433402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122661.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 144433402 is about 12018.0448493089. The cubic root of 144433402 is about 524.6736015004.

Adding to 144433402 its reverse (204334441), we get a palindrome (348767843).

The spelling of 144433402 in words is "one hundred forty-four million, four hundred thirty-three thousand, four hundred two".