5401145 has 4 divisors (see below), whose sum is σ = 6481380. Its totient is φ = 4320912.

The previous prime is 5401141. The next prime is 5401147. The reversal of 5401145 is 5411045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5411045 = 5 ⋅1082209.

It can be written as a sum of positive squares in 2 ways, for example, as 1915456 + 3485689 = 1384^2 + 1867^2 .

It is a cyclic number.

It is not a de Polignac number, because 5401145 - 2² = 5401141 is a prime.

It is a super-2 number, since 2×5401145² = 58344734622050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5401141) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 540110 + ... + 540119.

It is an arithmetic number, because the mean of its divisors is an integer number (1620345).

Almost surely, 2^5401145 is an apocalyptic number.

It is an amenable number.

5401145 is a deficient number, since it is larger than the sum of its proper divisors (1080235).

5401145 is a wasteful number, since it uses less digits than its factorization.

5401145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080234.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 5401145 is about 2324.0363594402. The cubic root of 5401145 is about 175.4534634176.

The spelling of 5401145 in words is "five million, four hundred one thousand, one hundred forty-five".