144161660 has 24 divisors (see below), whose sum is σ = 302973216. Its totient is φ = 57620160.

The previous prime is 144161659. The next prime is 144161681. The reversal of 144161660 is 66161441.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39305 + ... + 42815.

It is an arithmetic number, because the mean of its divisors is an integer number (12623884).

Almost surely, 2^144161660 is an apocalyptic number.

144161660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144161660 is an abundant number, since it is smaller than the sum of its proper divisors (158811556).

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

144161660 is a wasteful number, since it uses less digits than its factorization.

144161660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5573 (or 5571 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 144161660 is about 12006.7339439166. The cubic root of 144161660 is about 524.3443485687.

The spelling of 144161660 in words is "one hundred forty-four million, one hundred sixty-one thousand, six hundred sixty".