1745020133 has 4 divisors (see below), whose sum is σ = 1745107008. Its totient is φ = 1744933260.

The previous prime is 1745020117. The next prime is 1745020153. The reversal of 1745020133 is 3310205471.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1745020133 - 2⁴ = 1745020117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1745020153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3860 + ... + 59202.

It is an arithmetic number, because the mean of its divisors is an integer number (436276752).

Almost surely, 2^1745020133 is an apocalyptic number.

It is an amenable number.

1745020133 is a deficient number, since it is larger than the sum of its proper divisors (86875).

1745020133 is an equidigital number, since it uses as much as digits as its factorization.

1745020133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86874.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1745020133 is about 41773.4381275949. The cubic root of 1745020133 is about 1203.9269806031.

The spelling of 1745020133 in words is "one billion, seven hundred forty-five million, twenty thousand, one hundred thirty-three".