153798481 has 2 divisors, whose sum is σ = 153798482. Its totient is φ = 153798480.

The previous prime is 153798479. The next prime is 153798499. The reversal of 153798481 is 184897351.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92332881 + 61465600 = 9609^2 + 7840^2 .

It is a cyclic number.

It is not a de Polignac number, because 153798481 - 2¹ = 153798479 is a prime.

It is a super-2 number, since 2×153798481² = 47307945515814722, which contains 22 as substring.

Together with 153798479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (153798431) 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 as a sum of consecutive naturals, namely, 76899240 + 76899241.

It is an arithmetic number, because the mean of its divisors is an integer number (76899241).

Almost surely, 2^153798481 is an apocalyptic number.

It is an amenable number.

153798481 is a deficient number, since it is larger than the sum of its proper divisors (1).

153798481 is an equidigital number, since it uses as much as digits as its factorization.

153798481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 46.

The square root of 153798481 is about 12401.5515561562. The cubic root of 153798481 is about 535.7769373770.

The spelling of 153798481 in words is "one hundred fifty-three million, seven hundred ninety-eight thousand, four hundred eighty-one".