807142049945 has 32 divisors (see below), whose sum is σ = 1219524546816. Its totient is φ = 498171744000.

The previous prime is 807142049927. The next prime is 807142049947. The reversal of 807142049945 is 549940241708.

It is not a de Polignac number, because 807142049945 - 2⁶ = 807142049881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (807142049947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10339694 + ... + 10417463.

It is an arithmetic number, because the mean of its divisors is an integer number (38110142088).

Almost surely, 2^807142049945 is an apocalyptic number.

It is an amenable number.

807142049945 is a deficient number, since it is larger than the sum of its proper divisors (412382496871).

807142049945 is a wasteful number, since it uses less digits than its factorization.

807142049945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20757281.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 807142049945 in words is "eight hundred seven billion, one hundred forty-two million, forty-nine thousand, nine hundred forty-five".