245375523146 has 8 divisors (see below), whose sum is σ = 396375845124. Its totient is φ = 113250241440.

The previous prime is 245375523139. The next prime is 245375523149. The reversal of 245375523146 is 641325573542.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 175761339121 + 69614184025 = 419239^2 + 263845^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 245375523146.

It is not an unprimeable number, because it can be changed into a prime (245375523149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4718760035 + ... + 4718760086.

Almost surely, 2^245375523146 is an apocalyptic number.

245375523146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

245375523146 is a deficient number, since it is larger than the sum of its proper divisors (151000321978).

245375523146 is a wasteful number, since it uses less digits than its factorization.

245375523146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9437520136.

The product of its digits is 3024000, while the sum is 47.

The spelling of 245375523146 in words is "two hundred forty-five billion, three hundred seventy-five million, five hundred twenty-three thousand, one hundred forty-six".