2445545231 has 4 divisors (see below), whose sum is σ = 2447317464. Its totient is φ = 2443773000.

The previous prime is 2445545227. The next prime is 2445545243. The reversal of 2445545231 is 1325455442.

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

It is a cyclic number.

It is not a de Polignac number, because 2445545231 - 2² = 2445545227 is a prime.

It is a super-2 number, since 2×2445545231² = 11961382953733686722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2445545191 and 2445545200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2445545261) 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, 884045 + ... + 886806.

It is an arithmetic number, because the mean of its divisors is an integer number (611829366).

Almost surely, 2^2445545231 is an apocalyptic number.

2445545231 is a deficient number, since it is larger than the sum of its proper divisors (1772233).

2445545231 is a wasteful number, since it uses less digits than its factorization.

2445545231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772232.

The product of its digits is 96000, while the sum is 35.

The square root of 2445545231 is about 49452.4542464780. The cubic root of 2445545231 is about 1347.2821830146.

The spelling of 2445545231 in words is "two billion, four hundred forty-five million, five hundred forty-five thousand, two hundred thirty-one".