151985918 has 16 divisors (see below), whose sum is σ = 260909664. Its totient is φ = 65046240.

The previous prime is 151985917. The next prime is 151985957. The reversal of 151985918 is 819589151.

151985918 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151985917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3428 + ... + 17768.

It is an arithmetic number, because the mean of its divisors is an integer number (16306854).

Almost surely, 2^151985918 is an apocalyptic number.

151985918 is a deficient number, since it is larger than the sum of its proper divisors (108923746).

151985918 is a wasteful number, since it uses less digits than its factorization.

151985918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15107.

The product of its digits is 129600, while the sum is 47.

The square root of 151985918 is about 12328.2568921969. The cubic root of 151985918 is about 533.6638483442.

The spelling of 151985918 in words is "one hundred fifty-one million, nine hundred eighty-five thousand, nine hundred eighteen".