151496791 has 4 divisors (see below), whose sum is σ = 158083632. Its totient is φ = 144909952.

The previous prime is 151496789. The next prime is 151496857. The reversal of 151496791 is 197694151.

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 151496791 - 2¹ = 151496789 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 (151496731) 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, 3293386 + ... + 3293431.

It is an arithmetic number, because the mean of its divisors is an integer number (39520908).

Almost surely, 2^151496791 is an apocalyptic number.

151496791 is a deficient number, since it is larger than the sum of its proper divisors (6586841).

151496791 is an equidigital number, since it uses as much as digits as its factorization.

151496791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6586840.

The product of its digits is 68040, while the sum is 43.

The square root of 151496791 is about 12308.4032676867. The cubic root of 151496791 is about 533.0907471853.

The spelling of 151496791 in words is "one hundred fifty-one million, four hundred ninety-six thousand, seven hundred ninety-one".