1245450656241 has 64 divisors (see below), whose sum is σ = 2132822169600. Its totient is φ = 710355096000.

The previous prime is 1245450656173. The next prime is 1245450656249. The reversal of 1245450656241 is 1426560545421.

1245450656241 is a `hidden beast` number, since 1 + 2 + 4 + 5 + 45 + 0 + 6 + 562 + 41 = 666.

It is not a de Polignac number, because 1245450656241 - 2¹⁷ = 1245450525169 is a prime.

It is a super-2 number, since 2×1245450656241² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1245450656249) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 121275 + ... + 1582911.

It is an arithmetic number, because the mean of its divisors is an integer number (33325346400).

Almost surely, 2^{1245450656241} is an apocalyptic number.

1245450656241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1245450656241 is a deficient number, since it is larger than the sum of its proper divisors (887371513359).

1245450656241 is a wasteful number, since it uses less digits than its factorization.

1245450656241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461827 (or 1461821 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

The spelling of 1245450656241 in words is "one trillion, two hundred forty-five billion, four hundred fifty million, six hundred fifty-six thousand, two hundred forty-one".