150291049 has 4 divisors (see below), whose sum is σ = 150536836. Its totient is φ = 150045264.

The previous prime is 150291047. The next prime is 150291091. The reversal of 150291049 is 940192051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 940192051 = 3391 ⋅277261.

It can be written as a sum of positive squares in 2 ways, for example, as 6411024 + 143880025 = 2532^2 + 11995^2 .

It is a cyclic number.

It is not a de Polignac number, because 150291049 - 2¹ = 150291047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 150291049.

It is not an unprimeable number, because it can be changed into a prime (150291047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121974 + ... + 123199.

It is an arithmetic number, because the mean of its divisors is an integer number (37634209).

Almost surely, 2^150291049 is an apocalyptic number.

It is an amenable number.

150291049 is a deficient number, since it is larger than the sum of its proper divisors (245787).

150291049 is an equidigital number, since it uses as much as digits as its factorization.

150291049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245786.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 150291049 is about 12259.3249814172. The cubic root of 150291049 is about 531.6727133589.

The spelling of 150291049 in words is "one hundred fifty million, two hundred ninety-one thousand, forty-nine".