54453145 has 16 divisors (see below), whose sum is σ = 69166080. Its totient is φ = 41040000.

The previous prime is 54453131. The next prime is 54453169. The reversal of 54453145 is 54135445.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-54453145 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16645 + ... + 19645.

It is an arithmetic number, because the mean of its divisors is an integer number (4322880).

Almost surely, 2^54453145 is an apocalyptic number.

It is an amenable number.

54453145 is a deficient number, since it is larger than the sum of its proper divisors (14712935).

54453145 is a wasteful number, since it uses less digits than its factorization.

54453145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216.

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

The square root of 54453145 is about 7379.2374267264. The cubic root of 54453145 is about 379.0306433686.

The spelling of 54453145 in words is "fifty-four million, four hundred fifty-three thousand, one hundred forty-five".