152241481 has 6 divisors (see below), whose sum is σ = 177097290. Its totient is φ = 130492656.

The previous prime is 152241473. The next prime is 152241497. The reversal of 152241481 is 184142251.

It can be written as a sum of positive squares in only one way, i.e., 123565456 + 28676025 = 11116^2 + 5355^2 .

It is not a de Polignac number, because 152241481 - 2³ = 152241473 is a prime.

It is a super-2 number, since 2×152241481² = 46354937074146722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152241451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1553436 + ... + 1553533.

It is an arithmetic number, because the mean of its divisors is an integer number (29516215).

Almost surely, 2^152241481 is an apocalyptic number.

It is an amenable number.

152241481 is a deficient number, since it is larger than the sum of its proper divisors (24855809).

152241481 is an equidigital number, since it uses as much as digits as its factorization.

152241481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106983 (or 3106976 counting only the distinct ones).

The product of its digits is 2560, while the sum is 28.

The square root of 152241481 is about 12338.6174671233. The cubic root of 152241481 is about 533.9627978871.

The spelling of 152241481 in words is "one hundred fifty-two million, two hundred forty-one thousand, four hundred eighty-one".