245453031 has 8 divisors (see below), whose sum is σ = 363634160. Its totient is φ = 163635336.

The previous prime is 245453029. The next prime is 245453041. The reversal of 245453031 is 130354542.

245453031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245453031 - 2¹ = 245453029 is a prime.

It is a super-2 number, since 2×245453031² = 120494380854173922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 9090853 = 245453031 / (2 + 4 + 5 + 4 + 5 + 3 + 0 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245452986 and 245453004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245453041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4545400 + ... + 4545453.

It is an arithmetic number, because the mean of its divisors is an integer number (45454270).

Almost surely, 2^245453031 is an apocalyptic number.

245453031 is a deficient number, since it is larger than the sum of its proper divisors (118181129).

245453031 is an equidigital number, since it uses as much as digits as its factorization.

245453031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9090862 (or 9090856 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 245453031 is about 15666.9407032771. The cubic root of 245453031 is about 626.1179190058.

The spelling of 245453031 in words is "two hundred forty-five million, four hundred fifty-three thousand, thirty-one".