151696947 has 4 divisors (see below), whose sum is σ = 202262600. Its totient is φ = 101131296.

The previous prime is 151696927. The next prime is 151696957. The reversal of 151696947 is 749696151.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749696151 = 3 ⋅249898717.

It is not a de Polignac number, because 151696947 - 2¹⁵ = 151664179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151696896 and 151696905.

It is not an unprimeable number, because it can be changed into a prime (151696907) 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, 25282822 + ... + 25282827.

It is an arithmetic number, because the mean of its divisors is an integer number (50565650).

Almost surely, 2^151696947 is an apocalyptic number.

151696947 is a deficient number, since it is larger than the sum of its proper divisors (50565653).

151696947 is an equidigital number, since it uses as much as digits as its factorization.

151696947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50565652.

The product of its digits is 408240, while the sum is 48.

The square root of 151696947 is about 12316.5314516710. The cubic root of 151696947 is about 533.3254152036.

The spelling of 151696947 in words is "one hundred fifty-one million, six hundred ninety-six thousand, nine hundred forty-seven".