144323523442 has 64 divisors (see below), whose sum is σ = 275950644480. Its totient is φ = 55111090176.

The previous prime is 144323523433. The next prime is 144323523481. The reversal of 144323523442 is 244325323441.

It is a happy 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, 6740658 + ... + 6762034.

It is an arithmetic number, because the mean of its divisors is an integer number (4311728820).

Almost surely, 2^144323523442 is an apocalyptic number.

144323523442 is a deficient number, since it is larger than the sum of its proper divisors (131627121038).

144323523442 is a wasteful number, since it uses less digits than its factorization.

144323523442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22915.

The product of its digits is 276480, while the sum is 37.

Adding to 144323523442 its reverse (244325323441), we get a palindrome (388648846883).

The spelling of 144323523442 in words is "one hundred forty-four billion, three hundred twenty-three million, five hundred twenty-three thousand, four hundred forty-two".