152640415 has 8 divisors (see below), whose sum is σ = 185748768. Its totient is φ = 120392160.

The previous prime is 152640413. The next prime is 152640421. The reversal of 152640415 is 514046251.

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

It is not a de Polignac number, because 152640415 - 2¹ = 152640413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152640413) 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, 214632 + ... + 215341.

It is an arithmetic number, because the mean of its divisors is an integer number (23218596).

Almost surely, 2^152640415 is an apocalyptic number.

152640415 is a deficient number, since it is larger than the sum of its proper divisors (33108353).

152640415 is an equidigital number, since it uses as much as digits as its factorization.

152640415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430049.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 152640415 is about 12354.7729643244. The cubic root of 152640415 is about 534.4287902945.

Adding to 152640415 its reverse (514046251), we get a palindrome (666686666).

The spelling of 152640415 in words is "one hundred fifty-two million, six hundred forty thousand, four hundred fifteen".