144426534 has 32 divisors (see below), whose sum is σ = 331209216. Its totient is φ = 41128320.

The previous prime is 144426511. The next prime is 144426539. The reversal of 144426534 is 435624441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 144426495 and 144426504.

It is a congruent number.

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, 7534 + ... + 18590.

It is an arithmetic number, because the mean of its divisors is an integer number (10350288).

Almost surely, 2^144426534 is an apocalyptic number.

144426534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

144426534 is an abundant number, since it is smaller than the sum of its proper divisors (186782682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144426534 is a wasteful number, since it uses less digits than its factorization.

144426534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11380.

The product of its digits is 46080, while the sum is 33.

The square root of 144426534 is about 12017.7591089188. The cubic root of 144426534 is about 524.6652850598.

The spelling of 144426534 in words is "one hundred forty-four million, four hundred twenty-six thousand, five hundred thirty-four".