245342403 has 24 divisors (see below), whose sum is σ = 370994208. Its totient is φ = 155941632.

The previous prime is 245342399. The next prime is 245342411. The reversal of 245342403 is 304243542.

It is not a de Polignac number, because 245342403 - 2² = 245342399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245341403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68001 + ... + 71517.

It is an arithmetic number, because the mean of its divisors is an integer number (15458092).

Almost surely, 2^245342403 is an apocalyptic number.

245342403 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

245342403 is a deficient number, since it is larger than the sum of its proper divisors (125651805).

245342403 is a wasteful number, since it uses less digits than its factorization.

245342403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3883 (or 3880 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 245342403 is about 15663.4096862720. The cubic root of 245342403 is about 626.0238391164.

Adding to 245342403 its reverse (304243542), we get a palindrome (549585945).

The spelling of 245342403 in words is "two hundred forty-five million, three hundred forty-two thousand, four hundred three".