144637434 has 16 divisors (see below), whose sum is σ = 321416640. Its totient is φ = 48212460.

The previous prime is 144637433. The next prime is 144637439. The reversal of 144637434 is 434736441.

144637434 is a `hidden beast` number, since 14 + 4 + 637 + 4 + 3 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (144637433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1339182 + ... + 1339289.

It is an arithmetic number, because the mean of its divisors is an integer number (20088540).

Almost surely, 2^144637434 is an apocalyptic number.

144637434 is an abundant number, since it is smaller than the sum of its proper divisors (176779206).

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

144637434 is a wasteful number, since it uses less digits than its factorization.

144637434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2678482 (or 2678476 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 144637434 is about 12026.5304223621. The cubic root of 144637434 is about 524.9205430771.

The spelling of 144637434 in words is "one hundred forty-four million, six hundred thirty-seven thousand, four hundred thirty-four".