151367985 has 12 divisors (see below), whose sum is σ = 262371252. Its totient is φ = 80729568.

The previous prime is 151367971. The next prime is 151368001. The reversal of 151367985 is 589763151.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 116899344 + 34468641 = 10812^2 + 5871^2 .

It is not a de Polignac number, because 151367985 - 2⁶ = 151367921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 3363733 = 151367985 / (1 + 5 + 1 + 3 + 6 + 7 + 9 + 8 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 151367985.

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 11 ways as a sum of consecutive naturals, for example, 1681822 + ... + 1681911.

It is an arithmetic number, because the mean of its divisors is an integer number (21864271).

Almost surely, 2^151367985 is an apocalyptic number.

151367985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

151367985 is a deficient number, since it is larger than the sum of its proper divisors (111003267).

151367985 is a wasteful number, since it uses less digits than its factorization.

151367985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363744 (or 3363741 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 151367985 is about 12303.1697135332. The cubic root of 151367985 is about 532.9396224084.

The spelling of 151367985 in words is "one hundred fifty-one million, three hundred sixty-seven thousand, nine hundred eighty-five".