151040605 has 4 divisors (see below), whose sum is σ = 181248732. Its totient is φ = 120832480.

The previous prime is 151040507. The next prime is 151040627. The reversal of 151040605 is 506040151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 506040151 = 1913 ⋅264527.

It can be written as a sum of positive squares in 2 ways, for example, as 31663129 + 119377476 = 5627^2 + 10926^2 .

It is not a de Polignac number, because 151040605 - 2²¹ = 148943453 is a prime.

It is a Smith number, since the sum of its digits (22) 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, 15104056 + ... + 15104065.

It is an arithmetic number, because the mean of its divisors is an integer number (45312183).

Almost surely, 2^151040605 is an apocalyptic number.

It is an amenable number.

151040605 is a deficient number, since it is larger than the sum of its proper divisors (30208127).

151040605 is an equidigital number, since it uses as much as digits as its factorization.

151040605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30208126.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 151040605 is about 12289.8578104061. The cubic root of 151040605 is about 532.5551295902. Note that the first 3 decimals are identical.

Adding to 151040605 its reverse (506040151), we get a palindrome (657080756).

The spelling of 151040605 in words is "one hundred fifty-one million, forty thousand, six hundred five".