144311961 has 16 divisors (see below), whose sum is σ = 196050816. Its totient is φ = 94407936.

The previous prime is 144311941. The next prime is 144311971. The reversal of 144311961 is 169113441.

It is not a de Polignac number, because 144311961 - 2⁷ = 144311833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144311941) 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 in 15 ways as a sum of consecutive naturals, for example, 32851 + ... + 36983.

It is an arithmetic number, because the mean of its divisors is an integer number (12253176).

Almost surely, 2^144311961 is an apocalyptic number.

It is an amenable number.

144311961 is a deficient number, since it is larger than the sum of its proper divisors (51738855).

144311961 is a wasteful number, since it uses less digits than its factorization.

144311961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4352.

The product of its digits is 2592, while the sum is 30.

The square root of 144311961 is about 12012.9913427089. The cubic root of 144311961 is about 524.5265100561.

The spelling of 144311961 in words is "one hundred forty-four million, three hundred eleven thousand, nine hundred sixty-one".