150451949 has 2 divisors, whose sum is σ = 150451950. Its totient is φ = 150451948.

The previous prime is 150451943. The next prime is 150451963. The reversal of 150451949 is 949154051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146773225 + 3678724 = 12115^2 + 1918^2 .

It is a cyclic number.

It is not a de Polignac number, because 150451949 - 2²⁴ = 133674733 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150451943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75225974 + 75225975.

It is an arithmetic number, because the mean of its divisors is an integer number (75225975).

Almost surely, 2^150451949 is an apocalyptic number.

It is an amenable number.

150451949 is a deficient number, since it is larger than the sum of its proper divisors (1).

150451949 is an equidigital number, since it uses as much as digits as its factorization.

150451949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 150451949 is about 12265.8855774869. The cubic root of 150451949 is about 531.8623800756.

The spelling of 150451949 in words is "one hundred fifty million, four hundred fifty-one thousand, nine hundred forty-nine".