5540145 has 16 divisors (see below), whose sum is σ = 9546432. Its totient is φ = 2727360.

The previous prime is 5540141. The next prime is 5540173. The reversal of 5540145 is 5410455.

It is not a de Polignac number, because 5540145 - 2² = 5540141 is a prime.

5540145 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5540141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14011 + ... + 14400.

It is an arithmetic number, because the mean of its divisors is an integer number (596652).

Almost surely, 2^5540145 is an apocalyptic number.

It is an amenable number.

5540145 is a deficient number, since it is larger than the sum of its proper divisors (4006287).

5540145 is a wasteful number, since it uses less digits than its factorization.

5540145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28432.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 5540145 is about 2353.7512612848. The cubic root of 5540145 is about 176.9458482881.

The spelling of 5540145 in words is "five million, five hundred forty thousand, one hundred forty-five".