742043075134545 has 48 divisors (see below), whose sum is σ = 1334255372678592. Its totient is φ = 395634645760320.

The previous prime is 742043075134531. The next prime is 742043075134573. The reversal of 742043075134545 is 545431570340247.

742043075134545 is a `hidden beast` number, since 7 + 4 + 2 + 0 + 43 + 0 + 7 + 51 + 3 + 4 + 545 = 666.

It is not a de Polignac number, because 742043075134545 - 2⁵ = 742043075134513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 742043075134491 and 742043075134500.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89920191 + ... + 97824980.

It is an arithmetic number, because the mean of its divisors is an integer number (27796986930804).

Almost surely, 2^{742043075134545} is an apocalyptic number.

It is an amenable number.

742043075134545 is a deficient number, since it is larger than the sum of its proper divisors (592212297544047).

742043075134545 is a wasteful number, since it uses less digits than its factorization.

742043075134545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187748444 (or 187748432 counting only the distinct ones).

The product of its (nonzero) digits is 28224000, while the sum is 54.

The spelling of 742043075134545 in words is "seven hundred forty-two trillion, forty-three billion, seventy-five million, one hundred thirty-four thousand, five hundred forty-five".