144026631 has 36 divisors (see below), whose sum is σ = 254755800. Its totient is φ = 77964768.

The previous prime is 144026629. The next prime is 144026633. The reversal of 144026631 is 136620441.

144026631 is a `hidden beast` number, since 1 + 4 + 4 + 0 + 26 + 631 = 666.

It is an interprime number because it is at equal distance from previous prime (144026629) and next prime (144026633).

It is not a de Polignac number, because 144026631 - 2¹ = 144026629 is a prime.

It is a super-2 number, since 2×144026631² = 41487340874420322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144026595 and 144026604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144026633) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 216 + ... + 16973.

It is an arithmetic number, because the mean of its divisors is an integer number (7076550).

Almost surely, 2^144026631 is an apocalyptic number.

144026631 is a deficient number, since it is larger than the sum of its proper divisors (110729169).

144026631 is a wasteful number, since it uses less digits than its factorization.

144026631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17228 (or 17218 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 144026631 is about 12001.1095737019. The cubic root of 144026631 is about 524.1805884076.

The spelling of 144026631 in words is "one hundred forty-four million, twenty-six thousand, six hundred thirty-one".