144525474637 has 2 divisors, whose sum is σ = 144525474638. Its totient is φ = 144525474636.

The previous prime is 144525474629. The next prime is 144525474701. The reversal of 144525474637 is 736474525441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144480571236 + 44903401 = 380106^2 + 6701^2 .

It is a cyclic number.

It is not a de Polignac number, because 144525474637 - 2³ = 144525474629 is a prime.

It is a super-2 number, since 2×144525474637² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144525474617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72262737318 + 72262737319.

It is an arithmetic number, because the mean of its divisors is an integer number (72262737319).

Almost surely, 2^144525474637 is an apocalyptic number.

It is an amenable number.

144525474637 is a deficient number, since it is larger than the sum of its proper divisors (1).

144525474637 is an equidigital number, since it uses as much as digits as its factorization.

144525474637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11289600, while the sum is 52.

The spelling of 144525474637 in words is "one hundred forty-four billion, five hundred twenty-five million, four hundred seventy-four thousand, six hundred thirty-seven".