1452319881 has 16 divisors (see below), whose sum is σ = 1996130304. Its totient is φ = 938747024.

The previous prime is 1452319873. The next prime is 1452319937. The reversal of 1452319881 is 1889132541.

It is a cyclic number.

It is not a de Polignac number, because 1452319881 - 2³ = 1452319873 is a prime.

It is a super-2 number, since 2×1452319881² = 4218466073495708322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1452319801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33045 + ... + 63218.

It is an arithmetic number, because the mean of its divisors is an integer number (124758144).

Almost surely, 2^1452319881 is an apocalyptic number.

It is an amenable number.

1452319881 is a deficient number, since it is larger than the sum of its proper divisors (543810423).

1452319881 is a wasteful number, since it uses less digits than its factorization.

1452319881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96420.

The product of its digits is 69120, while the sum is 42.

The square root of 1452319881 is about 38109.3148849464. The cubic root of 1452319881 is about 1132.4544973409.

The spelling of 1452319881 in words is "one billion, four hundred fifty-two million, three hundred nineteen thousand, eight hundred eighty-one".