150432505 has 4 divisors (see below), whose sum is σ = 180519012. Its totient is φ = 120346000.

The previous prime is 150432479. The next prime is 150432551. The reversal of 150432505 is 505234051.

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 106832896 + 43599609 = 10336^2 + 6603^2 .

It is not a de Polignac number, because 150432505 - 2⁷ = 150432377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 150432505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15043246 + ... + 15043255.

It is an arithmetic number, because the mean of its divisors is an integer number (45129753).

Almost surely, 2^150432505 is an apocalyptic number.

It is an amenable number.

150432505 is a deficient number, since it is larger than the sum of its proper divisors (30086507).

150432505 is an equidigital number, since it uses as much as digits as its factorization.

150432505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30086506.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 150432505 is about 12265.0929470591. The cubic root of 150432505 is about 531.8394669402.

Adding to 150432505 its reverse (505234051), we get a palindrome (655666556).

The spelling of 150432505 in words is "one hundred fifty million, four hundred thirty-two thousand, five hundred five".