152529421 has 8 divisors (see below), whose sum is σ = 166507488. Its totient is φ = 138570000.

The previous prime is 152529409. The next prime is 152529427. The reversal of 152529421 is 124925251.

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 152529421 - 2¹¹ = 152527373 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 (152529427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16746 + ... + 24196.

It is an arithmetic number, because the mean of its divisors is an integer number (20813436).

Almost surely, 2^152529421 is an apocalyptic number.

152529421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

152529421 is a deficient number, since it is larger than the sum of its proper divisors (13978067).

152529421 is a wasteful number, since it uses less digits than its factorization.

152529421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9323.

The product of its digits is 7200, while the sum is 31.

The square root of 152529421 is about 12350.2801992505. The cubic root of 152529421 is about 534.2992204752.

The spelling of 152529421 in words is "one hundred fifty-two million, five hundred twenty-nine thousand, four hundred twenty-one".