152408281 has 8 divisors (see below), whose sum is σ = 168390144. Its totient is φ = 137206080.

The previous prime is 152408261. The next prime is 152408287. The reversal of 152408281 is 182804251.

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 152408281 - 2⁹ = 152407769 is a prime.

It is a super-2 number, since 2×152408281² = 46456568234749922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152408287) 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, 194505 + ... + 195286.

It is an arithmetic number, because the mean of its divisors is an integer number (21048768).

Almost surely, 2^152408281 is an apocalyptic number.

It is an amenable number.

152408281 is a deficient number, since it is larger than the sum of its proper divisors (15981863).

152408281 is a wasteful number, since it uses less digits than its factorization.

152408281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389831.

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 152408281 is about 12345.3748829268. The cubic root of 152408281 is about 534.1577348748.

The spelling of 152408281 in words is "one hundred fifty-two million, four hundred eight thousand, two hundred eighty-one".