45126137 has 4 divisors (see below), whose sum is σ = 51572736. Its totient is φ = 38679540.

The previous prime is 45126119. The next prime is 45126163. The reversal of 45126137 is 73162154.

45126137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45126137 - 2¹⁸ = 44863993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45126637) 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 3 ways as a sum of consecutive naturals, for example, 3223289 + ... + 3223302.

It is an arithmetic number, because the mean of its divisors is an integer number (12893184).

Almost surely, 2^45126137 is an apocalyptic number.

It is an amenable number.

45126137 is a deficient number, since it is larger than the sum of its proper divisors (6446599).

45126137 is an equidigital number, since it uses as much as digits as its factorization.

45126137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6446598.

The product of its digits is 5040, while the sum is 29.

The square root of 45126137 is about 6717.5990502560. The cubic root of 45126137 is about 356.0213580798.

The spelling of 45126137 in words is "forty-five million, one hundred twenty-six thousand, one hundred thirty-seven".