151320003 has 4 divisors (see below), whose sum is σ = 201760008. Its totient is φ = 100880000.

The previous prime is 151319989. The next prime is 151320007. The reversal of 151320003 is 300023151.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 151320003 - 2¹⁷ = 151188931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151320007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25219998 + ... + 25220003.

It is an arithmetic number, because the mean of its divisors is an integer number (50440002).

Almost surely, 2^151320003 is an apocalyptic number.

151320003 is a deficient number, since it is larger than the sum of its proper divisors (50440005).

151320003 is an equidigital number, since it uses as much as digits as its factorization.

151320003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50440004.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 151320003 is about 12301.2195736846. The cubic root of 151320003 is about 532.8833044417.

Adding to 151320003 its reverse (300023151), we get a palindrome (451343154).

The spelling of 151320003 in words is "one hundred fifty-one million, three hundred twenty thousand, three".