1245434454415 has 16 divisors (see below), whose sum is σ = 1559781669888. Its totient is φ = 952856299296.

The previous prime is 1245434454361. The next prime is 1245434454493. The reversal of 1245434454415 is 5144544345421.

It is not a de Polignac number, because 1245434454415 - 2¹⁹ = 1245433930127 is a prime.

It is a super-2 number, since 2×1245434454415² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333639 + ... + 1613128.

It is an arithmetic number, because the mean of its divisors is an integer number (97486354368).

Almost surely, 2^{1245434454415} is an apocalyptic number.

1245434454415 is a deficient number, since it is larger than the sum of its proper divisors (314347215473).

1245434454415 is a wasteful number, since it uses less digits than its factorization.

1245434454415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952358.

The product of its digits is 3072000, while the sum is 46.

Adding to 1245434454415 its reverse (5144544345421), we get a palindrome (6389978799836).

The spelling of 1245434454415 in words is "one trillion, two hundred forty-five billion, four hundred thirty-four million, four hundred fifty-four thousand, four hundred fifteen".