144345121502 has 24 divisors (see below), whose sum is σ = 235884549312. Its totient is φ = 66168381600.

The previous prime is 144345121493. The next prime is 144345121577. The reversal of 144345121502 is 205121543441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3202199 + ... + 3246962.

It is an arithmetic number, because the mean of its divisors is an integer number (9828522888).

Almost surely, 2^144345121502 is an apocalyptic number.

144345121502 is a deficient number, since it is larger than the sum of its proper divisors (91539427810).

144345121502 is a wasteful number, since it uses less digits than its factorization.

144345121502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6449232 (or 6449213 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 144345121502 its reverse (205121543441), we get a palindrome (349466664943).

The spelling of 144345121502 in words is "one hundred forty-four billion, three hundred forty-five million, one hundred twenty-one thousand, five hundred two".