150559993 has 8 divisors (see below), whose sum is σ = 156164040. Its totient is φ = 145036800.

The previous prime is 150559979. The next prime is 150559999. The reversal of 150559993 is 399955051.

It can be written as a sum of positive squares in 4 ways, for example, as 132894784 + 17665209 = 11528^2 + 4203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 150559993 - 2²¹ = 148462841 is a prime.

It is a super-2 number, since 2×150559993² = 45336622984320098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150559999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16408 + ... + 23881.

It is an arithmetic number, because the mean of its divisors is an integer number (19520505).

Almost surely, 2^150559993 is an apocalyptic number.

It is an amenable number.

150559993 is a deficient number, since it is larger than the sum of its proper divisors (5604047).

150559993 is a wasteful number, since it uses less digits than its factorization.

150559993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40427.

The product of its (nonzero) digits is 273375, while the sum is 46.

The square root of 150559993 is about 12270.2890349005. The cubic root of 150559993 is about 531.9896649866.

The spelling of 150559993 in words is "one hundred fifty million, five hundred fifty-nine thousand, nine hundred ninety-three".