150825949 has 4 divisors (see below), whose sum is σ = 154902364. Its totient is φ = 146749536.

The previous prime is 150825947. The next prime is 150825953. The reversal of 150825949 is 949528051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 949528051 = 83 ⋅11440097.

It can be written as a sum of positive squares in 2 ways, for example, as 146652100 + 4173849 = 12110^2 + 2043^2 .

It is a cyclic number.

It is not a de Polignac number, because 150825949 - 2¹ = 150825947 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150825947) 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 in 3 ways as a sum of consecutive naturals, for example, 2038152 + ... + 2038225.

It is an arithmetic number, because the mean of its divisors is an integer number (38725591).

Almost surely, 2^150825949 is an apocalyptic number.

It is an amenable number.

150825949 is a deficient number, since it is larger than the sum of its proper divisors (4076415).

150825949 is an equidigital number, since it uses as much as digits as its factorization.

150825949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4076414.

The product of its (nonzero) digits is 129600, while the sum is 43.

The square root of 150825949 is about 12281.1216507288. The cubic root of 150825949 is about 532.3027242821.

The spelling of 150825949 in words is "one hundred fifty million, eight hundred twenty-five thousand, nine hundred forty-nine".