150978995 has 4 divisors (see below), whose sum is σ = 181174800. Its totient is φ = 120783192.

The previous prime is 150978991. The next prime is 150979001. The reversal of 150978995 is 599879051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 599879051 = 17 ⋅35287003.

It is a cyclic number.

It is not a de Polignac number, because 150978995 - 2² = 150978991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (150978991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15097895 + ... + 15097904.

It is an arithmetic number, because the mean of its divisors is an integer number (45293700).

Almost surely, 2^150978995 is an apocalyptic number.

150978995 is a deficient number, since it is larger than the sum of its proper divisors (30195805).

150978995 is an equidigital number, since it uses as much as digits as its factorization.

150978995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30195804.

The product of its (nonzero) digits is 1020600, while the sum is 53.

The square root of 150978995 is about 12287.3510163908. The cubic root of 150978995 is about 532.4827093653.

The spelling of 150978995 in words is "one hundred fifty million, nine hundred seventy-eight thousand, nine hundred ninety-five".