1097954545 has 8 divisors (see below), whose sum is σ = 1345578624. Its totient is φ = 859674864.

The previous prime is 1097954531. The next prime is 1097954563. The reversal of 1097954545 is 5454597901.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1097954545 is a prime.

It is a Duffinian 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, 2335839 + ... + 2336308.

It is an arithmetic number, because the mean of its divisors is an integer number (168197328).

Almost surely, 2^1097954545 is an apocalyptic number.

It is an amenable number.

1097954545 is a deficient number, since it is larger than the sum of its proper divisors (247624079).

1097954545 is an equidigital number, since it uses as much as digits as its factorization.

1097954545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4672199.

The product of its (nonzero) digits is 1134000, while the sum is 49.

The square root of 1097954545 is about 33135.3971607404. The cubic root of 1097954545 is about 1031.6398752601.

The spelling of 1097954545 in words is "one billion, ninety-seven million, nine hundred fifty-four thousand, five hundred forty-five".