1452081403 has 8 divisors (see below), whose sum is σ = 1561029120. Its totient is φ = 1346385960.

The previous prime is 1452081377. The next prime is 1452081409. The reversal of 1452081403 is 3041802541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1452081403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1452081409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812143 + ... + 813928.

It is an arithmetic number, because the mean of its divisors is an integer number (195128640).

Almost surely, 2^1452081403 is an apocalyptic number.

1452081403 is a deficient number, since it is larger than the sum of its proper divisors (108947717).

1452081403 is a wasteful number, since it uses less digits than its factorization.

1452081403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626137.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1452081403 is about 38106.1858889079. The cubic root of 1452081403 is about 1132.3925090993.

Adding to 1452081403 its reverse (3041802541), we get a palindrome (4493883944).

It can be divided in two parts, 145208 and 1403, that added together give a triangular number (146611 = T₅₄₁).

The spelling of 1452081403 in words is "one billion, four hundred fifty-two million, eighty-one thousand, four hundred three".