144261611 has 10 divisors (see below), whose sum is σ = 156313932. Its totient is φ = 133138200.

The previous prime is 144261583. The next prime is 144261619. The reversal of 144261611 is 116162441.

It is not a de Polignac number, because 144261611 - 2²² = 140067307 is a prime.

It is a super-2 number, since 2×144261611² = 41622824816630642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144261619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 26036 + ... + 31086.

Almost surely, 2^144261611 is an apocalyptic number.

144261611 is a deficient number, since it is larger than the sum of its proper divisors (12052321).

144261611 is an frugal number, since it uses more digits than its factorization.

144261611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103 (or 5064 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 144261611 is about 12010.8955119924. The cubic root of 144261611 is about 524.4655010641.

The spelling of 144261611 in words is "one hundred forty-four million, two hundred sixty-one thousand, six hundred eleven".