144426537 has 16 divisors (see below), whose sum is σ = 218004480. Its totient is φ = 94466736.

The previous prime is 144426511. The next prime is 144426539. The reversal of 144426537 is 735624441.

It is not a de Polignac number, because 144426537 - 2¹⁰ = 144425513 is a prime.

It is a super-3 number, since 3×144426537³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (144426539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49033 + ... + 51894.

It is an arithmetic number, because the mean of its divisors is an integer number (13625280).

Almost surely, 2^144426537 is an apocalyptic number.

It is an amenable number.

144426537 is a deficient number, since it is larger than the sum of its proper divisors (73577943).

144426537 is a wasteful number, since it uses less digits than its factorization.

144426537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100989 (or 100983 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 144426537 is about 12017.7592337340. The cubic root of 144426537 is about 524.6652886925.

The spelling of 144426537 in words is "one hundred forty-four million, four hundred twenty-six thousand, five hundred thirty-seven".