152506081 has 24 divisors (see below), whose sum is σ = 197240064. Its totient is φ = 116756640.

The previous prime is 152506049. The next prime is 152506093. The reversal of 152506081 is 180605251.

It is not a de Polignac number, because 152506081 - 2⁵ = 152506049 is a prime.

It is a super-2 number, since 2×152506081² = 46516209483957122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (152506021) 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 23 ways as a sum of consecutive naturals, for example, 15886 + ... + 23608.

It is an arithmetic number, because the mean of its divisors is an integer number (8218336).

Almost surely, 2^152506081 is an apocalyptic number.

It is an amenable number.

152506081 is a deficient number, since it is larger than the sum of its proper divisors (44733983).

152506081 is a wasteful number, since it uses less digits than its factorization.

152506081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7781 (or 7774 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 152506081 is about 12349.3352452673. The cubic root of 152506081 is about 534.2719663235.

The spelling of 152506081 in words is "one hundred fifty-two million, five hundred six thousand, eighty-one".