481145237 has 4 divisors (see below), whose sum is σ = 509447916. Its totient is φ = 452842560.

The previous prime is 481145219. The next prime is 481145261. The reversal of 481145237 is 732541184.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 383807281 + 97337956 = 19591^2 + 9866^2 .

It is a cyclic number.

It is not a de Polignac number, because 481145237 - 2¹⁴ = 481128853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 481145197 and 481145206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481145267) 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, 14151314 + ... + 14151347.

It is an arithmetic number, because the mean of its divisors is an integer number (127361979).

Almost surely, 2^481145237 is an apocalyptic number.

It is an amenable number.

481145237 is a deficient number, since it is larger than the sum of its proper divisors (28302679).

481145237 is a wasteful number, since it uses less digits than its factorization.

481145237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28302678.

The product of its digits is 26880, while the sum is 35.

The square root of 481145237 is about 21935.0230681438. The cubic root of 481145237 is about 783.5957352181.

The spelling of 481145237 in words is "four hundred eighty-one million, one hundred forty-five thousand, two hundred thirty-seven".