144791430 has 128 divisors (see below), whose sum is σ = 411402240. Its totient is φ = 31933440.

The previous prime is 144791411. The next prime is 144791453. The reversal of 144791430 is 34197441.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144791391 and 144791400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1140027 + ... + 1140153.

It is an arithmetic number, because the mean of its divisors is an integer number (3214080).

Almost surely, 2^144791430 is an apocalyptic number.

144791430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 144791430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205701120).

144791430 is an abundant number, since it is smaller than the sum of its proper divisors (266610810).

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

144791430 is a wasteful number, since it uses less digits than its factorization.

144791430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 144791430 is about 12032.9310643750. The cubic root of 144791430 is about 525.1067719346.

The spelling of 144791430 in words is "one hundred forty-four million, seven hundred ninety-one thousand, four hundred thirty".