54145345 has 16 divisors (see below), whose sum is σ = 68624640. Its totient is φ = 40898304.

The previous prime is 54145339. The next prime is 54145361. The reversal of 54145345 is 54354145.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 54145345 - 2³ = 54145337 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 34089 + ... + 35641.

It is an arithmetic number, because the mean of its divisors is an integer number (4289040).

Almost surely, 2^54145345 is an apocalyptic number.

It is an amenable number.

54145345 is a deficient number, since it is larger than the sum of its proper divisors (14479295).

54145345 is a wasteful number, since it uses less digits than its factorization.

54145345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944.

The product of its digits is 24000, while the sum is 31.

The square root of 54145345 is about 7358.3520573563. The cubic root of 54145345 is about 378.3151282530.

The spelling of 54145345 in words is "fifty-four million, one hundred forty-five thousand, three hundred forty-five".