245531412 has 120 divisors (see below), whose sum is σ = 744113216. Its totient is φ = 69144192.

The previous prime is 245531401. The next prime is 245531413. The reversal of 245531412 is 214135542.

245531412 is a `hidden beast` number, since 245 + 5 + 3 + 1 + 412 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245531413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 164823 + ... + 166305.

Almost surely, 2^245531412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245531412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372056608).

245531412 is an abundant number, since it is smaller than the sum of its proper divisors (498581804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245531412 is a wasteful number, since it uses less digits than its factorization.

245531412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579 (or 1568 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 245531412 is about 15669.4419811300. The cubic root of 245531412 is about 626.1845584025.

Adding to 245531412 its reverse (214135542), we get a palindrome (459666954).

The spelling of 245531412 in words is "two hundred forty-five million, five hundred thirty-one thousand, four hundred twelve".