144243311145430 has 64 divisors (see below), whose sum is σ = 297170583166080. Its totient is φ = 49381293394944.

The previous prime is 144243311145391. The next prime is 144243311145443. The reversal of 144243311145430 is 34541113342441.

It is a super-2 number, since 2×144243311145430² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281603112 + ... + 282114868.

It is an arithmetic number, because the mean of its divisors is an integer number (4643290361970).

Almost surely, 2^{144243311145430} is an apocalyptic number.

144243311145430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144243311145430 is an abundant number, since it is smaller than the sum of its proper divisors (152927272020650).

144243311145430 is a wasteful number, since it uses less digits than its factorization.

144243311145430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517753.

The product of its (nonzero) digits is 276480, while the sum is 40.

Adding to 144243311145430 its reverse (34541113342441), we get a palindrome (178784424487871).

The spelling of 144243311145430 in words is "one hundred forty-four trillion, two hundred forty-three billion, three hundred eleven million, one hundred forty-five thousand, four hundred thirty".