1001345452 has 12 divisors (see below), whose sum is σ = 1762484976. Its totient is φ = 497778320.

The previous prime is 1001345383. The next prime is 1001345459. The reversal of 1001345452 is 2545431001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1001345459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722824 + ... + 724207.

It is an arithmetic number, because the mean of its divisors is an integer number (146873748).

Almost surely, 2^1001345452 is an apocalyptic number.

It is an amenable number.

1001345452 is a deficient number, since it is larger than the sum of its proper divisors (761139524).

1001345452 is a wasteful number, since it uses less digits than its factorization.

1001345452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447208 (or 1447206 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1001345452 is about 31644.0429148995. The cubic root of 1001345452 is about 1000.4482830123.

Adding to 1001345452 its reverse (2545431001), we get a palindrome (3546776453).

The spelling of 1001345452 in words is "one billion, one million, three hundred forty-five thousand, four hundred fifty-two".