245402030 has 16 divisors (see below), whose sum is σ = 442109664. Its totient is φ = 98075040.

The previous prime is 245401969. The next prime is 245402041. The reversal of 245402030 is 30204542.

It is a junction number, because it is equal to n+sod(n) for n = 245401993 and 245402011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2015 + ... + 22245.

It is an arithmetic number, because the mean of its divisors is an integer number (27631854).

Almost surely, 2^245402030 is an apocalyptic number.

245402030 is a deficient number, since it is larger than the sum of its proper divisors (196707634).

245402030 is a wasteful number, since it uses less digits than its factorization.

245402030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21451.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 245402030 is about 15665.3129556993. The cubic root of 245402030 is about 626.0745504208.

Adding to 245402030 its reverse (30204542), we get a palindrome (275606572).

The spelling of 245402030 in words is "two hundred forty-five million, four hundred two thousand, thirty".