71562454145 has 48 divisors (see below), whose sum is σ = 111548021760. Its totient is φ = 42912540288.

The previous prime is 71562454141. The next prime is 71562454189. The reversal of 71562454145 is 54145426517.

It is not a de Polignac number, because 71562454145 - 2² = 71562454141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71562454096 and 71562454105.

It is not an unprimeable number, because it can be changed into a prime (71562454141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53585 + ... + 382094.

It is an arithmetic number, because the mean of its divisors is an integer number (2323917120).

Almost surely, 2^71562454145 is an apocalyptic number.

It is an amenable number.

71562454145 is a deficient number, since it is larger than the sum of its proper divisors (39985567615).

71562454145 is a wasteful number, since it uses less digits than its factorization.

71562454145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435742 (or 435723 counting only the distinct ones).

The product of its digits is 672000, while the sum is 44.

The spelling of 71562454145 in words is "seventy-one billion, five hundred sixty-two million, four hundred fifty-four thousand, one hundred forty-five".