151996889 has 8 divisors (see below), whose sum is σ = 165904032. Its totient is φ = 138104640.

The previous prime is 151996879. The next prime is 151996909. The reversal of 151996889 is 988699151.

151996889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 151996889 - 2¹² = 151992793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151996879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38177 + ... + 41969.

It is an arithmetic number, because the mean of its divisors is an integer number (20738004).

Almost surely, 2^151996889 is an apocalyptic number.

It is an amenable number.

151996889 is a deficient number, since it is larger than the sum of its proper divisors (13907143).

151996889 is a wasteful number, since it uses less digits than its factorization.

151996889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7447.

The product of its digits is 1399680, while the sum is 56.

The square root of 151996889 is about 12328.7018375821. The cubic root of 151996889 is about 533.6766887557.

The spelling of 151996889 in words is "one hundred fifty-one million, nine hundred ninety-six thousand, eight hundred eighty-nine".