144251689530 has 32 divisors (see below), whose sum is σ = 372835137024. Its totient is φ = 35508108096.

The previous prime is 144251689511. The next prime is 144251689537. The reversal of 144251689530 is 35986152441.

It is a self number, because there is not a number n which added to its sum of digits gives 144251689530.

It is not an unprimeable number, because it can be changed into a prime (144251689537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184937674 + ... + 184938453.

It is an arithmetic number, because the mean of its divisors is an integer number (11651098032).

Almost surely, 2^144251689530 is an apocalyptic number.

144251689530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144251689530 is an abundant number, since it is smaller than the sum of its proper divisors (228583447494).

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

144251689530 is a wasteful number, since it uses less digits than its factorization.

144251689530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369876150.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 144251689530 in words is "one hundred forty-four billion, two hundred fifty-one million, six hundred eighty-nine thousand, five hundred thirty".