150994945 has 4 divisors (see below), whose sum is σ = 181193940. Its totient is φ = 120795952.

The previous prime is 150994939. The next prime is 150994979. The reversal of 150994945 is 549499051.

It is a happy number.

It is a Cunningham number, because it is equal to 12288²+1.

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 54346384 + 96648561 = 7372^2 + 9831^2 .

It is a cyclic number.

It is not a de Polignac number, because 150994945 - 2³ = 150994937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 150994895 and 150994904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15099490 + ... + 15099499.

It is an arithmetic number, because the mean of its divisors is an integer number (45298485).

It is a Proth number, since it is equal to 9 ⋅ 2²⁴ + 1 and 9 < 2²⁴.

Almost surely, 2^150994945 is an apocalyptic number.

It is an amenable number.

150994945 is a deficient number, since it is larger than the sum of its proper divisors (30198995).

150994945 is an equidigital number, since it uses as much as digits as its factorization.

150994945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30198994.

The product of its (nonzero) digits is 291600, while the sum is 46.

The square root of 150994945 is about 12288.0000406901. Note that the first 4 decimals coincide. The cubic root of 150994945 is about 532.5014598768.

The spelling of 150994945 in words is "one hundred fifty million, nine hundred ninety-four thousand, nine hundred forty-five".