245400003 has 16 divisors (see below), whose sum is σ = 367159200. Its totient is φ = 161978400.

The previous prime is 245399993. The next prime is 245400013. The reversal of 245400003 is 300004542.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (245399993) and next prime (245400013).

It is not a de Polignac number, because 245400003 - 2⁵ = 245399971 is a prime.

It is a super-2 number, since 2×245400003² = 120442322944800018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245400013) 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 15 ways as a sum of consecutive naturals, for example, 42268 + ... + 47721.

It is an arithmetic number, because the mean of its divisors is an integer number (22947450).

Almost surely, 2^245400003 is an apocalyptic number.

245400003 is a deficient number, since it is larger than the sum of its proper divisors (121759197).

245400003 is a wasteful number, since it uses less digits than its factorization.

245400003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90099 (or 90093 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 245400003 is about 15665.2482584860. The cubic root of 245400003 is about 626.0728266418.

Adding to 245400003 its reverse (300004542), we get a palindrome (545404545).

The spelling of 245400003 in words is "two hundred forty-five million, four hundred thousand, three".