144989630 has 8 divisors (see below), whose sum is σ = 260981352. Its totient is φ = 57995848.

The previous prime is 144989591. The next prime is 144989639. The reversal of 144989630 is 36989441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144989639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7249472 + ... + 7249491.

It is an arithmetic number, because the mean of its divisors is an integer number (32622669).

Almost surely, 2^144989630 is an apocalyptic number.

144989630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144989630 is a deficient number, since it is larger than the sum of its proper divisors (115991722).

144989630 is a wasteful number, since it uses less digits than its factorization.

144989630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14498970.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 144989630 is about 12041.1639802803. The cubic root of 144989630 is about 525.3462628803.

The spelling of 144989630 in words is "one hundred forty-four million, nine hundred eighty-nine thousand, six hundred thirty".