245374645406 has 16 divisors (see below), whose sum is σ = 402640606080. Its totient is φ = 111223246680.

The previous prime is 245374645387. The next prime is 245374645427. The reversal of 245374645406 is 604546473542.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15526076 + ... + 15541871.

It is an arithmetic number, because the mean of its divisors is an integer number (25165037880).

Almost surely, 2^245374645406 is an apocalyptic number.

245374645406 is a deficient number, since it is larger than the sum of its proper divisors (157265960674).

245374645406 is a wasteful number, since it uses less digits than its factorization.

245374645406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31068319.

The product of its (nonzero) digits is 9676800, while the sum is 50.

The spelling of 245374645406 in words is "two hundred forty-five billion, three hundred seventy-four million, six hundred forty-five thousand, four hundred six".