152440315 has 8 divisors (see below), whose sum is σ = 184607280. Its totient is φ = 120832992.

The previous prime is 152440291. The next prime is 152440319. The reversal of 152440315 is 513044251.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 152440315 - 2¹³ = 152432123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 152440315.

It is not an unprimeable number, because it can be changed into a prime (152440319) 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, 139309 + ... + 140398.

It is an arithmetic number, because the mean of its divisors is an integer number (23075910).

Almost surely, 2^152440315 is an apocalyptic number.

152440315 is a deficient number, since it is larger than the sum of its proper divisors (32166965).

152440315 is a wasteful number, since it uses less digits than its factorization.

152440315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279821.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 152440315 is about 12346.6722237209. The cubic root of 152440315 is about 534.1951563107.

Adding to 152440315 its reverse (513044251), we get a palindrome (665484566).

The spelling of 152440315 in words is "one hundred fifty-two million, four hundred forty thousand, three hundred fifteen".