54210145 has 8 divisors (see below), whose sum is σ = 70966080. Its totient is φ = 39425520.

The previous prime is 54210131. The next prime is 54210179. The reversal of 54210145 is 54101245.

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

It is not a de Polignac number, because 54210145 - 2⁵ = 54210113 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, 492765 + ... + 492874.

It is an arithmetic number, because the mean of its divisors is an integer number (8870760).

Almost surely, 2^54210145 is an apocalyptic number.

54210145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54210145 is a deficient number, since it is larger than the sum of its proper divisors (16755935).

54210145 is a wasteful number, since it uses less digits than its factorization.

54210145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985655.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 54210145 is about 7362.7539005456. The cubic root of 54210145 is about 378.4659879265.

Subtracting from 54210145 its reverse (54101245), we obtain a square (108900 = 330²).

The spelling of 54210145 in words is "fifty-four million, two hundred ten thousand, one hundred forty-five".