150555545442 has 48 divisors (see below), whose sum is σ = 330432410880. Its totient is φ = 49534992000.

The previous prime is 150555545429. The next prime is 150555545449. The reversal of 150555545442 is 244545555051.

It is a happy number.

150555545442 is a `hidden beast` number, since 1 + 5 + 0 + 5 + 5 + 554 + 54 + 42 = 666.

It is not an unprimeable number, because it can be changed into a prime (150555545449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5334067 + ... + 5362217.

It is an arithmetic number, because the mean of its divisors is an integer number (6884008560).

Almost surely, 2^150555545442 is an apocalyptic number.

150555545442 is an abundant number, since it is smaller than the sum of its proper divisors (179876865438).

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

150555545442 is a wasteful number, since it uses less digits than its factorization.

150555545442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31999 (or 31996 counting only the distinct ones).

The product of its (nonzero) digits is 2000000, while the sum is 45.

The spelling of 150555545442 in words is "one hundred fifty billion, five hundred fifty-five million, five hundred forty-five thousand, four hundred forty-two".