150542549 has 2 divisors, whose sum is σ = 150542550. Its totient is φ = 150542548.

The previous prime is 150542543. The next prime is 150542563. The reversal of 150542549 is 945245051.

It is a happy number.

150542549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105719524 + 44823025 = 10282^2 + 6695^2 .

It is a cyclic number.

It is not a de Polignac number, because 150542549 - 2⁴ = 150542533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150542543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75271274 + 75271275.

It is an arithmetic number, because the mean of its divisors is an integer number (75271275).

Almost surely, 2^150542549 is an apocalyptic number.

It is an amenable number.

150542549 is a deficient number, since it is larger than the sum of its proper divisors (1).

150542549 is an equidigital number, since it uses as much as digits as its factorization.

150542549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 150542549 is about 12269.5781916087. The cubic root of 150542549 is about 531.9691186118.

The spelling of 150542549 in words is "one hundred fifty million, five hundred forty-two thousand, five hundred forty-nine".