144194430 has 64 divisors (see below), whose sum is σ = 352396800. Its totient is φ = 37756800.

The previous prime is 144194411. The next prime is 144194431. The reversal of 144194430 is 34491441.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144194431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 629556 + ... + 629784.

It is an arithmetic number, because the mean of its divisors is an integer number (5506200).

Almost surely, 2^144194430 is an apocalyptic number.

144194430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144194430 is an abundant number, since it is smaller than the sum of its proper divisors (208202370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144194430 is a wasteful number, since it uses less digits than its factorization.

144194430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 144194430 is about 12008.0985172508. The cubic root of 144194430 is about 524.3840758732.

The spelling of 144194430 in words is "one hundred forty-four million, one hundred ninety-four thousand, four hundred thirty".