151305005 has 6 divisors (see below), whose sum is σ = 181599018. Its totient is φ = 121022000.

The previous prime is 151305001. The next prime is 151305013. The reversal of 151305005 is 500503151.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 103266244 + 48038761 = 10162^2 + 6931^2 .

It is not a de Polignac number, because 151305005 - 2² = 151305001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151305001) 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 5 ways as a sum of consecutive naturals, for example, 24755 + ... + 30255.

It is an arithmetic number, because the mean of its divisors is an integer number (30266503).

Almost surely, 2^151305005 is an apocalyptic number.

It is an amenable number.

151305005 is a deficient number, since it is larger than the sum of its proper divisors (30294013).

151305005 is an frugal number, since it uses more digits than its factorization.

151305005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11007 (or 5506 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 151305005 is about 12300.6099442263. The cubic root of 151305005 is about 532.8656983802.

Multiplying 151305005 by its sum of digits (20), we get a square (3026100100 = 55010²).

Adding to 151305005 its reverse (500503151), we get a palindrome (651808156).

The spelling of 151305005 in words is "one hundred fifty-one million, three hundred five thousand, five".