1745145322 has 4 divisors (see below), whose sum is σ = 2617717986. Its totient is φ = 872572660.

The previous prime is 1745145299. The next prime is 1745145323. The reversal of 1745145322 is 2235415471.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1528731801 + 216413521 = 39099^2 + 14711^2 .

It is not an unprimeable number, because it can be changed into a prime (1745145323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436286329 + ... + 436286332.

Almost surely, 2^1745145322 is an apocalyptic number.

1745145322 is a deficient number, since it is larger than the sum of its proper divisors (872572664).

1745145322 is an equidigital number, since it uses as much as digits as its factorization.

1745145322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872572663.

The product of its digits is 33600, while the sum is 34.

The square root of 1745145322 is about 41774.9365289763. The cubic root of 1745145322 is about 1203.9557701106.

The spelling of 1745145322 in words is "one billion, seven hundred forty-five million, one hundred forty-five thousand, three hundred twenty-two".