1245814345145 has 16 divisors (see below), whose sum is σ = 1508852136000. Its totient is φ = 987403462848.

The previous prime is 1245814345091. The next prime is 1245814345157. The reversal of 1245814345145 is 5415434185421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1245814345145 - 2³⁸ = 970936438201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1245814345145.

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, 5257226 + ... + 5489084.

It is an arithmetic number, because the mean of its divisors is an integer number (94303258500).

Almost surely, 2^{1245814345145} is an apocalyptic number.

It is an amenable number.

1245814345145 is a deficient number, since it is larger than the sum of its proper divisors (263037790855).

1245814345145 is a wasteful number, since it uses less digits than its factorization.

1245814345145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241832.

The product of its digits is 1536000, while the sum is 47.

The spelling of 1245814345145 in words is "one trillion, two hundred forty-five billion, eight hundred fourteen million, three hundred forty-five thousand, one hundred forty-five".