245531342 has 32 divisors (see below), whose sum is σ = 436838400. Its totient is φ = 101269728.

The previous prime is 245531327. The next prime is 245531359. The reversal of 245531342 is 243135542.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

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 15 ways as a sum of consecutive naturals, for example, 154709 + ... + 156287.

It is an arithmetic number, because the mean of its divisors is an integer number (13651200).

Almost surely, 2^245531342 is an apocalyptic number.

245531342 is a deficient number, since it is larger than the sum of its proper divisors (191307058).

245531342 is a wasteful number, since it uses less digits than its factorization.

245531342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000.

The product of its digits is 14400, while the sum is 29.

The square root of 245531342 is about 15669.4397474830. The cubic root of 245531342 is about 626.1844988950.

Adding to 245531342 its reverse (243135542), we get a palindrome (488666884).

The spelling of 245531342 in words is "two hundred forty-five million, five hundred thirty-one thousand, three hundred forty-two".