150721485439 has 16 divisors (see below), whose sum is σ = 172684512000. Its totient is φ = 128866699584.

The previous prime is 150721485437. The next prime is 150721485443. The reversal of 150721485439 is 934584127051.

It is a happy number.

It is not a de Polignac number, because 150721485439 - 2¹ = 150721485437 is a prime.

It is a super-3 number, since 3×150721485439³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 150721485392 and 150721485401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150721485437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4823464 + ... + 4854610.

It is an arithmetic number, because the mean of its divisors is an integer number (10792782000).

Almost surely, 2^150721485439 is an apocalyptic number.

150721485439 is a deficient number, since it is larger than the sum of its proper divisors (21963026561).

150721485439 is a wasteful number, since it uses less digits than its factorization.

150721485439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32862.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 150721485439 in words is "one hundred fifty billion, seven hundred twenty-one million, four hundred eighty-five thousand, four hundred thirty-nine".