151643530 has 8 divisors (see below), whose sum is σ = 272958372. Its totient is φ = 60657408.

The previous prime is 151643489. The next prime is 151643533. The reversal of 151643530 is 35346151.

It can be written as a sum of positive squares in 2 ways, for example, as 150479289 + 1164241 = 12267^2 + 1079^2 .

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

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (151643533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7582167 + ... + 7582186.

Almost surely, 2^151643530 is an apocalyptic number.

151643530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151643530 is a deficient number, since it is larger than the sum of its proper divisors (121314842).

151643530 is a wasteful number, since it uses less digits than its factorization.

151643530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15164360.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 151643530 is about 12314.3627524935. The cubic root of 151643530 is about 533.2628079488.

Adding to 151643530 its reverse (35346151), we get a palindrome (186989681).

The spelling of 151643530 in words is "one hundred fifty-one million, six hundred forty-three thousand, five hundred thirty".