144400430 has 8 divisors (see below), whose sum is σ = 259920792. Its totient is φ = 57760168.

The previous prime is 144400427. The next prime is 144400433. The reversal of 144400430 is 34004441.

It is an interprime number because it is at equal distance from previous prime (144400427) and next prime (144400433).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144400433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7220012 + ... + 7220031.

It is an arithmetic number, because the mean of its divisors is an integer number (32490099).

Almost surely, 2^144400430 is an apocalyptic number.

144400430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144400430 is a deficient number, since it is larger than the sum of its proper divisors (115520362).

144400430 is a wasteful number, since it uses less digits than its factorization.

144400430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14440050.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 144400430 is about 12016.6730004607. The cubic root of 144400430 is about 524.6336733989.

Adding to 144400430 its reverse (34004441), we get a palindrome (178404871).

The spelling of 144400430 in words is "one hundred forty-four million, four hundred thousand, four hundred thirty".