1481253445 has 32 divisors (see below), whose sum is σ = 2105107200. Its totient is φ = 979001856.

The previous prime is 1481253437. The next prime is 1481253481. The reversal of 1481253445 is 5443521841.

It is not a de Polignac number, because 1481253445 - 2³ = 1481253437 is a prime.

It is a super-2 number, since 2×1481253445² = 4388223536648736050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 919801 + ... + 921409.

It is an arithmetic number, because the mean of its divisors is an integer number (65784600).

Almost surely, 2^1481253445 is an apocalyptic number.

It is an amenable number.

1481253445 is a deficient number, since it is larger than the sum of its proper divisors (623853755).

1481253445 is a wasteful number, since it uses less digits than its factorization.

1481253445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557.

The product of its digits is 76800, while the sum is 37.

The square root of 1481253445 is about 38487.0555511850. The cubic root of 1481253445 is about 1139.9254709151.

The spelling of 1481253445 in words is "one billion, four hundred eighty-one million, two hundred fifty-three thousand, four hundred forty-five".