144734430 has 32 divisors (see below), whose sum is σ = 367797024. Its totient is φ = 36325376.

The previous prime is 144734411. The next prime is 144734441. The reversal of 144734430 is 34437441.

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

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 in 15 ways as a sum of consecutive naturals, for example, 141387 + ... + 142406.

It is an arithmetic number, because the mean of its divisors is an integer number (11493657).

Almost surely, 2^144734430 is an apocalyptic number.

144734430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144734430 is an abundant number, since it is smaller than the sum of its proper divisors (223062594).

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

144734430 is a wasteful number, since it uses less digits than its factorization.

144734430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283820.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 144734430 is about 12030.5623309968. The cubic root of 144734430 is about 525.0378566806.

The spelling of 144734430 in words is "one hundred forty-four million, seven hundred thirty-four thousand, four hundred thirty".