152312505 has 16 divisors (see below), whose sum is σ = 244632960. Its totient is φ = 80922368.

The previous prime is 152312491. The next prime is 152312519. The reversal of 152312505 is 505213251.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (152312491) and next prime (152312519).

It is a cyclic number.

It is not a de Polignac number, because 152312505 - 2⁵ = 152312473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15360 + ... + 23249.

It is an arithmetic number, because the mean of its divisors is an integer number (15289560).

Almost surely, 2^152312505 is an apocalyptic number.

152312505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

152312505 is a deficient number, since it is larger than the sum of its proper divisors (92320455).

152312505 is a wasteful number, since it uses less digits than its factorization.

152312505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38880.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 152312505 is about 12341.4952497661. The cubic root of 152312505 is about 534.0458201084.

Adding to 152312505 its reverse (505213251), we get a palindrome (657525756).

It can be divided in two parts, 1523 and 12505, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 152312505 in words is "one hundred fifty-two million, three hundred twelve thousand, five hundred five".