151638485 has 8 divisors (see below), whose sum is σ = 182285016. Its totient is φ = 121098240.

The previous prime is 151638433. The next prime is 151638491. The reversal of 151638485 is 584836151.

It can be written as a sum of positive squares in 4 ways, for example, as 88943761 + 62694724 = 9431^2 + 7918^2 .

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

It is not a de Polignac number, because 151638485 - 2⁸ = 151638229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23396 + ... + 29165.

It is an arithmetic number, because the mean of its divisors is an integer number (22785627).

Almost surely, 2^151638485 is an apocalyptic number.

It is an amenable number.

151638485 is a deficient number, since it is larger than the sum of its proper divisors (30646531).

151638485 is an equidigital number, since it uses as much as digits as its factorization.

151638485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53143.

The product of its digits is 115200, while the sum is 41.

The square root of 151638485 is about 12314.1579086838. The cubic root of 151638485 is about 533.2568942099.

The spelling of 151638485 in words is "one hundred fifty-one million, six hundred thirty-eight thousand, four hundred eighty-five".