150221646552 has 32 divisors (see below), whose sum is σ = 384287935680. Its totient is φ = 48909372960.

The previous prime is 150221646539. The next prime is 150221646557. The reversal of 150221646552 is 255646122051.

150221646552 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 150221646552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150221646557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72780774 + ... + 72782837.

It is an arithmetic number, because the mean of its divisors is an integer number (12008997990).

Almost surely, 2^150221646552 is an apocalyptic number.

150221646552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

150221646552 is an abundant number, since it is smaller than the sum of its proper divisors (234066289128).

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

150221646552 is a wasteful number, since it uses less digits than its factorization.

150221646552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145563663 (or 145563659 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 150221646552 in words is "one hundred fifty billion, two hundred twenty-one million, six hundred forty-six thousand, five hundred fifty-two".