2054145 has 8 divisors (see below), whose sum is σ = 3286656. Its totient is φ = 1095536.

The previous prime is 2054131. The next prime is 2054149. The reversal of 2054145 is 5414502.

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 2054145 - 2⁵ = 2054113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2054149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68457 + ... + 68486.

It is an arithmetic number, because the mean of its divisors is an integer number (410832).

It is a Proth number, since it is equal to 1003 ⋅ 2¹¹ + 1 and 1003 < 2¹¹.

2^2054145 is an apocalyptic number.

It is an amenable number.

2054145 is a deficient number, since it is larger than the sum of its proper divisors (1232511).

2054145 is a wasteful number, since it uses less digits than its factorization.

2054145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136951.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2054145 is about 1433.2288721624. The cubic root of 2054145 is about 127.1189700888.

Adding to 2054145 its reverse (5414502), we get a palindrome (7468647).

The spelling of 2054145 in words is "two million, fifty-four thousand, one hundred forty-five".