144165426 has 32 divisors (see below), whose sum is σ = 316707840. Its totient is φ = 43545744.

The previous prime is 144165421. The next prime is 144165433. The reversal of 144165426 is 624561441.

It is a super-2 number, since 2×144165426² = 41567340107522952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144165421) 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, 24870 + ... + 30113.

It is an arithmetic number, because the mean of its divisors is an integer number (9897120).

Almost surely, 2^144165426 is an apocalyptic number.

144165426 is an abundant number, since it is smaller than the sum of its proper divisors (172542414).

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

144165426 is a wasteful number, since it uses less digits than its factorization.

144165426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55030.

The product of its digits is 23040, while the sum is 33.

The square root of 144165426 is about 12006.8907715528. The cubic root of 144165426 is about 524.3489144235.

The spelling of 144165426 in words is "one hundred forty-four million, one hundred sixty-five thousand, four hundred twenty-six".