144620416 has 16 divisors (see below), whose sum is σ = 288111240. Its totient is φ = 72310144.

The previous prime is 144620353. The next prime is 144620423. The reversal of 144620416 is 614026441.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

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, 564796 + ... + 565051.

Almost surely, 2^144620416 is an apocalyptic number.

144620416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

144620416 is a deficient number, since it is larger than the sum of its proper divisors (143490824).

144620416 is an equidigital number, since it uses as much as digits as its factorization.

144620416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129861 (or 1129849 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 144620416 is about 12025.8228824476. The cubic root of 144620416 is about 524.8999549349.

Adding to 144620416 its reverse (614026441), we get a palindrome (758646857).

The spelling of 144620416 in words is "one hundred forty-four million, six hundred twenty thousand, four hundred sixteen".