245278601654 has 16 divisors (see below), whose sum is σ = 372595801920. Its totient is φ = 121080173760.

The previous prime is 245278601651. The next prime is 245278601671. The reversal of 245278601654 is 456106872542.

It is a super-2 number, since 2×245278601654² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245278601651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4008272 + ... + 4069004.

It is an arithmetic number, because the mean of its divisors is an integer number (23287237620).

Almost surely, 2^245278601654 is an apocalyptic number.

245278601654 is a deficient number, since it is larger than the sum of its proper divisors (127317200266).

245278601654 is a wasteful number, since it uses less digits than its factorization.

245278601654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86375.

The product of its (nonzero) digits is 3225600, while the sum is 50.

The spelling of 245278601654 in words is "two hundred forty-five billion, two hundred seventy-eight million, six hundred one thousand, six hundred fifty-four".