144430730 has 32 divisors (see below), whose sum is σ = 270950400. Its totient is φ = 55363392.

The previous prime is 144430729. The next prime is 144430733. The reversal of 144430730 is 37034441.

144430730 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 144430730.

It is not an unprimeable number, because it can be changed into a prime (144430733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38519 + ... + 42101.

It is an arithmetic number, because the mean of its divisors is an integer number (8467200).

Almost surely, 2^144430730 is an apocalyptic number.

144430730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144430730 is a deficient number, since it is larger than the sum of its proper divisors (126519670).

144430730 is a wasteful number, since it uses less digits than its factorization.

144430730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3758.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 144430730 is about 12017.9336826261. The cubic root of 144430730 is about 524.6703660149.

The spelling of 144430730 in words is "one hundred forty-four million, four hundred thirty thousand, seven hundred thirty".