45139127 has 8 divisors (see below), whose sum is σ = 49704192. Its totient is φ = 40651000.

The previous prime is 45139091. The next prime is 45139141. The reversal of 45139127 is 72193154.

45139127 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45139127 - 2⁸ = 45138871 is a prime.

It is a super-3 number, since 3×45139127³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45139093 and 45139102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45139147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17999 + ... + 20352.

It is an arithmetic number, because the mean of its divisors is an integer number (6213024).

Almost surely, 2^45139127 is an apocalyptic number.

45139127 is a deficient number, since it is larger than the sum of its proper divisors (4565065).

45139127 is a wasteful number, since it uses less digits than its factorization.

45139127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38469.

The product of its digits is 7560, while the sum is 32.

The square root of 45139127 is about 6718.5658439878. The cubic root of 45139127 is about 356.0555162127.

The spelling of 45139127 in words is "forty-five million, one hundred thirty-nine thousand, one hundred twenty-seven".