144861616 has 10 divisors (see below), whose sum is σ = 280669412. Its totient is φ = 72430800.

The previous prime is 144861601. The next prime is 144861617. The reversal of 144861616 is 616168441.

It is not an unprimeable number, because it can be changed into a prime (144861617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4526910 + ... + 4526941.

Almost surely, 2^144861616 is an apocalyptic number.

144861616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

144861616 is a deficient number, since it is larger than the sum of its proper divisors (135807796).

144861616 is an equidigital number, since it uses as much as digits as its factorization.

144861616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9053859 (or 9053853 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 144861616 is about 12035.8471243199. The cubic root of 144861616 is about 525.1916047419.

The spelling of 144861616 in words is "one hundred forty-four million, eight hundred sixty-one thousand, six hundred sixteen".