245433140 has 24 divisors (see below), whose sum is σ = 515744712. Its totient is φ = 98109440.

The previous prime is 245433137. The next prime is 245433143. The reversal of 245433140 is 41334542.

It is an interprime number because it is at equal distance from previous prime (245433137) and next prime (245433143).

It can be written as a sum of positive squares in 4 ways, for example, as 58400164 + 187032976 = 7642^2 + 13676^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245433143) 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 7 ways as a sum of consecutive naturals, for example, 38672 + ... + 44568.

It is an arithmetic number, because the mean of its divisors is an integer number (21489363).

Almost surely, 2^245433140 is an apocalyptic number.

245433140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245433140 is an abundant number, since it is smaller than the sum of its proper divisors (270311572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245433140 is a wasteful number, since it uses less digits than its factorization.

245433140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7987 (or 7985 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 245433140 is about 15666.3058823706. The cubic root of 245433140 is about 626.1010054536.

Adding to 245433140 its reverse (41334542), we get a palindrome (286767682).

The spelling of 245433140 in words is "two hundred forty-five million, four hundred thirty-three thousand, one hundred forty".