150344993 has 4 divisors (see below), whose sum is σ = 150590868. Its totient is φ = 150099120.

The previous prime is 150344981. The next prime is 150345001. The reversal of 150344993 is 399443051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68840209 + 81504784 = 8297^2 + 9028^2 .

It is a cyclic number.

It is not a de Polignac number, because 150344993 - 2⁴ = 150344977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150344933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122018 + ... + 123243.

It is an arithmetic number, because the mean of its divisors is an integer number (37647717).

Almost surely, 2^150344993 is an apocalyptic number.

It is an amenable number.

150344993 is a deficient number, since it is larger than the sum of its proper divisors (245875).

150344993 is an equidigital number, since it uses as much as digits as its factorization.

150344993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245874.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 150344993 is about 12261.5249051658. The cubic root of 150344993 is about 531.7363168852.

The spelling of 150344993 in words is "one hundred fifty million, three hundred forty-four thousand, nine hundred ninety-three".