144741631 has 2 divisors, whose sum is σ = 144741632. Its totient is φ = 144741630.

The previous prime is 144741617. The next prime is 144741713. The reversal of 144741631 is 136147441.

144741631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144741631 - 2¹¹ = 144739583 is a prime.

It is a super-2 number, since 2×144741631² = 41900279489080322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 144741593 and 144741602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144741131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72370815 + 72370816.

It is an arithmetic number, because the mean of its divisors is an integer number (72370816).

Almost surely, 2^144741631 is an apocalyptic number.

144741631 is a deficient number, since it is larger than the sum of its proper divisors (1).

144741631 is an equidigital number, since it uses as much as digits as its factorization.

144741631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 31.

The square root of 144741631 is about 12030.8616067179. The cubic root of 144741631 is about 525.0465639728.

The spelling of 144741631 in words is "one hundred forty-four million, seven hundred forty-one thousand, six hundred thirty-one".