1654454545 has 8 divisors (see below), whose sum is σ = 2089837440. Its totient is φ = 1253902320.

The previous prime is 1654454453. The next prime is 1654454551. The reversal of 1654454545 is 5454544561.

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

It is not a de Polignac number, because 1654454545 - 2¹¹ = 1654452497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8707561 + ... + 8707750.

It is an arithmetic number, because the mean of its divisors is an integer number (261229680).

Almost surely, 2^1654454545 is an apocalyptic number.

It is an amenable number.

1654454545 is a deficient number, since it is larger than the sum of its proper divisors (435382895).

1654454545 is a wasteful number, since it uses less digits than its factorization.

1654454545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17415335.

The product of its digits is 960000, while the sum is 43.

The square root of 1654454545 is about 40674.9867240298. The cubic root of 1654454545 is about 1182.7281855041.

The spelling of 1654454545 in words is "one billion, six hundred fifty-four million, four hundred fifty-four thousand, five hundred forty-five".