151001005 has 4 divisors (see below), whose sum is σ = 181201212. Its totient is φ = 120800800.

The previous prime is 151000981. The next prime is 151001017. The reversal of 151001005 is 500100151.

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 20196036 + 130804969 = 4494^2 + 11437^2 .

It is not a de Polignac number, because 151001005 - 2⁵ = 151000973 is a prime.

It is a super-2 number, since 2×151001005² = 45602607022020050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15100096 + ... + 15100105.

It is an arithmetic number, because the mean of its divisors is an integer number (45300303).

Almost surely, 2^151001005 is an apocalyptic number.

It is an amenable number.

151001005 is a deficient number, since it is larger than the sum of its proper divisors (30200207).

151001005 is an equidigital number, since it uses as much as digits as its factorization.

151001005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30200206.

The product of its (nonzero) digits is 25, while the sum is 13.

The square root of 151001005 is about 12288.2466202465. The cubic root of 151001005 is about 532.5085835495.

Adding to 151001005 its reverse (500100151), we get a palindrome (651101156).

The spelling of 151001005 in words is "one hundred fifty-one million, one thousand, five".