1554354545 has 8 divisors (see below), whose sum is σ = 1866492096. Its totient is φ = 1242639216.

The previous prime is 1554354511. The next prime is 1554354553. The reversal of 1554354545 is 5454534551.

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

It is a cyclic number.

It is not a de Polignac number, because 1554354545 - 2¹² = 1554350449 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 97397 + ... + 112226.

It is an arithmetic number, because the mean of its divisors is an integer number (233311512).

Almost surely, 2^1554354545 is an apocalyptic number.

It is an amenable number.

1554354545 is a deficient number, since it is larger than the sum of its proper divisors (312137551).

1554354545 is a wasteful number, since it uses less digits than its factorization.

1554354545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211111.

The product of its digits is 600000, while the sum is 41.

The square root of 1554354545 is about 39425.3033596446. The cubic root of 1554354545 is about 1158.3772754696.

The spelling of 1554354545 in words is "one billion, five hundred fifty-four million, three hundred fifty-four thousand, five hundred forty-five".