152534999 has 4 divisors (see below), whose sum is σ = 161507664. Its totient is φ = 143562336.

The previous prime is 152534989. The next prime is 152535013. The reversal of 152534999 is 999435251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999435251 = 3163 ⋅315977.

It is a cyclic number.

It is not a de Polignac number, because 152534999 - 2¹⁶ = 152469463 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 (152534939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4486307 + ... + 4486340.

It is an arithmetic number, because the mean of its divisors is an integer number (40376916).

Almost surely, 2^152534999 is an apocalyptic number.

152534999 is a deficient number, since it is larger than the sum of its proper divisors (8972665).

152534999 is an equidigital number, since it uses as much as digits as its factorization.

152534999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8972664.

The product of its digits is 437400, while the sum is 47.

The square root of 152534999 is about 12350.5060220219. The cubic root of 152534999 is about 534.3057335023.

The spelling of 152534999 in words is "one hundred fifty-two million, five hundred thirty-four thousand, nine hundred ninety-nine".