545481497 has 8 divisors (see below), whose sum is σ = 598156320. Its totient is φ = 493320960.

The previous prime is 545481493. The next prime is 545481527. The reversal of 545481497 is 794184545.

It is a happy number.

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

It is not a de Polignac number, because 545481497 - 2² = 545481493 is a prime.

It is a super-2 number, since 2×545481497² = 595100127138722018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545481493) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 126347 + ... + 130592.

It is an arithmetic number, because the mean of its divisors is an integer number (74769540).

Almost surely, 2^545481497 is an apocalyptic number.

It is an amenable number.

545481497 is a deficient number, since it is larger than the sum of its proper divisors (52674823).

545481497 is a wasteful number, since it uses less digits than its factorization.

545481497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257143.

The product of its digits is 806400, while the sum is 47.

The square root of 545481497 is about 23355.5453158345. The cubic root of 545481497 is about 817.0713976836.

The spelling of 545481497 in words is "five hundred forty-five million, four hundred eighty-one thousand, four hundred ninety-seven".