145633057791 has 32 divisors (see below), whose sum is σ = 218309784000. Its totient is φ = 85736060928.

The previous prime is 145633057753. The next prime is 145633057813. The reversal of 145633057791 is 197750336541.

It is a happy number.

It is not a de Polignac number, because 145633057791 - 2⁶ = 145633057727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145633057711) 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, 467386 + ... + 713943.

It is an arithmetic number, because the mean of its divisors is an integer number (6822180750).

Almost surely, 2^145633057791 is an apocalyptic number.

145633057791 is a deficient number, since it is larger than the sum of its proper divisors (72676726209).

145633057791 is a wasteful number, since it uses less digits than its factorization.

145633057791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181483.

The product of its (nonzero) digits is 2381400, while the sum is 51.

The spelling of 145633057791 in words is "one hundred forty-five billion, six hundred thirty-three million, fifty-seven thousand, seven hundred ninety-one".