144435634 has 24 divisors (see below), whose sum is σ = 260160768. Its totient is φ = 59902920.

The previous prime is 144435623. The next prime is 144435649. The reversal of 144435634 is 436534441.

It is a self number, because there is not a number n which added to its sum of digits gives 144435634.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20734 + ... + 26809.

It is an arithmetic number, because the mean of its divisors is an integer number (10840032).

Almost surely, 2^144435634 is an apocalyptic number.

144435634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

144435634 is a deficient number, since it is larger than the sum of its proper divisors (115725134).

144435634 is a wasteful number, since it uses less digits than its factorization.

144435634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47590 (or 47583 counting only the distinct ones).

The product of its digits is 69120, while the sum is 34.

The square root of 144435634 is about 12018.1377093125. The cubic root of 144435634 is about 524.6763041657.

The spelling of 144435634 in words is "one hundred forty-four million, four hundred thirty-five thousand, six hundred thirty-four".