150798145 has 4 divisors (see below), whose sum is σ = 180957780. Its totient is φ = 120638512.

The previous prime is 150798139. The next prime is 150798169. The reversal of 150798145 is 541897051.

It is a happy number.

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 58003456 + 92794689 = 7616^2 + 9633^2 .

It is a cyclic number.

It is not a de Polignac number, because 150798145 - 2¹¹ = 150796097 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 150798098 and 150798107.

It is an unprimeable number.

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, 15079810 + ... + 15079819.

It is an arithmetic number, because the mean of its divisors is an integer number (45239445).

Almost surely, 2^150798145 is an apocalyptic number.

It is an amenable number.

150798145 is a deficient number, since it is larger than the sum of its proper divisors (30159635).

150798145 is an equidigital number, since it uses as much as digits as its factorization.

150798145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30159634.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 150798145 is about 12279.9896172595. The cubic root of 150798145 is about 532.2700131680.

The spelling of 150798145 in words is "one hundred fifty million, seven hundred ninety-eight thousand, one hundred forty-five".