245743402 has 8 divisors (see below), whose sum is σ = 368704800. Its totient is φ = 122841804.

The previous prime is 245743391. The next prime is 245743411. The reversal of 245743402 is 204347542.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2652 + ... + 22327.

It is an arithmetic number, because the mean of its divisors is an integer number (46088100).

Almost surely, 2^245743402 is an apocalyptic number.

245743402 is a deficient number, since it is larger than the sum of its proper divisors (122961398).

245743402 is a wasteful number, since it uses less digits than its factorization.

245743402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29900.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 245743402 is about 15676.2049616608. The cubic root of 245743402 is about 626.3647209299.

The spelling of 245743402 in words is "two hundred forty-five million, seven hundred forty-three thousand, four hundred two".