144742611 has 16 divisors (see below), whose sum is σ = 216873216. Its totient is φ = 85199136.

The previous prime is 144742561. The next prime is 144742643. The reversal of 144742611 is 116247441.

It is not a de Polignac number, because 144742611 - 2⁶ = 144742547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144742651) 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, 79785 + ... + 81578.

It is an arithmetic number, because the mean of its divisors is an integer number (13554576).

Almost surely, 2^144742611 is an apocalyptic number.

144742611 is a deficient number, since it is larger than the sum of its proper divisors (72130605).

144742611 is a wasteful number, since it uses less digits than its factorization.

144742611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161402.

The product of its digits is 5376, while the sum is 30.

The square root of 144742611 is about 12030.9023352365. The cubic root of 144742611 is about 525.0477489451.

The spelling of 144742611 in words is "one hundred forty-four million, seven hundred forty-two thousand, six hundred eleven".