45138293097 has 16 divisors (see below), whose sum is σ = 61384894848. Its totient is φ = 29496844160.

The previous prime is 45138293077. The next prime is 45138293111. The reversal of 45138293097 is 79039283154.

It is a cyclic number.

It is not a de Polignac number, because 45138293097 - 2⁸ = 45138292841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45138293077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 575628 + ... + 649325.

It is an arithmetic number, because the mean of its divisors is an integer number (3836555928).

Almost surely, 2^45138293097 is an apocalyptic number.

It is an amenable number.

45138293097 is a deficient number, since it is larger than the sum of its proper divisors (16246601751).

45138293097 is a wasteful number, since it uses less digits than its factorization.

45138293097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225200.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 45138293097 in words is "forty-five billion, one hundred thirty-eight million, two hundred ninety-three thousand, ninety-seven".