152049881 has 8 divisors (see below), whose sum is σ = 155589000. Its totient is φ = 148544640.

The previous prime is 152049857. The next prime is 152049883. The reversal of 152049881 is 188940251.

It can be written as a sum of positive squares in 4 ways, for example, as 366025 + 151683856 = 605^2 + 12316^2 .

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 152049881 - 2¹⁸ = 151787737 is a prime.

It is a super-2 number, since 2×152049881² = 46238332624228322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152049883) 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, 725 + ... + 17453.

It is an arithmetic number, because the mean of its divisors is an integer number (19448625).

Almost surely, 2^152049881 is an apocalyptic number.

It is an amenable number.

152049881 is a deficient number, since it is larger than the sum of its proper divisors (3539119).

152049881 is a wasteful number, since it uses less digits than its factorization.

152049881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16939.

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 152049881 is about 12330.8507816776. The cubic root of 152049881 is about 533.7387016678.

The spelling of 152049881 in words is "one hundred fifty-two million, forty-nine thousand, eight hundred eighty-one".