153481 has 4 divisors (see below), whose sum is σ = 158464. Its totient is φ = 148500.

The previous prime is 153469. The next prime is 153487. The reversal of 153481 is 184351.

153481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 153481 - 2⁵ = 153449 is a prime.

It is a super-2 number, since 2×153481² = 47112834722, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (153487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2445 + ... + 2506.

It is an arithmetic number, because the mean of its divisors is an integer number (39616).

2¹⁵³⁴⁸¹ is an apocalyptic number.

It is an amenable number.

153481 is a deficient number, since it is larger than the sum of its proper divisors (4983).

153481 is an equidigital number, since it uses as much as digits as its factorization.

153481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4982.

The product of its digits is 480, while the sum is 22.

The square root of 153481 is about 391.7665120962. The cubic root of 153481 is about 53.5408021346.

The spelling of 153481 in words is "one hundred fifty-three thousand, four hundred eighty-one".