245142510454 has 4 divisors (see below), whose sum is σ = 367713765684. Its totient is φ = 122571255226.

The previous prime is 245142510443. The next prime is 245142510479. The reversal of 245142510454 is 454015241542.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×245142510454² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61285627612 + ... + 61285627615.

It is an arithmetic number, because the mean of its divisors is an integer number (91928441421).

Almost surely, 2^245142510454 is an apocalyptic number.

245142510454 is a deficient number, since it is larger than the sum of its proper divisors (122571255230).

245142510454 is a wasteful number, since it uses less digits than its factorization.

245142510454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122571255229.

The product of its (nonzero) digits is 128000, while the sum is 37.

Adding to 245142510454 its reverse (454015241542), we get a palindrome (699157751996).

The spelling of 245142510454 in words is "two hundred forty-five billion, one hundred forty-two million, five hundred ten thousand, four hundred fifty-four".