45240450194 has 8 divisors (see below), whose sum is σ = 71432289840. Its totient is φ = 21429686916.

The previous prime is 45240450161. The next prime is 45240450197. The reversal of 45240450194 is 49105404254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 1190538163 = 45240450194 / (4 + 5 + 2 + 4 + 0 + 4 + 5 + 0 + 1 + 9 + 4).

It is not an unprimeable number, because it can be changed into a prime (45240450197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 595269044 + ... + 595269119.

It is an arithmetic number, because the mean of its divisors is an integer number (8929036230).

Almost surely, 2^45240450194 is an apocalyptic number.

45240450194 is a deficient number, since it is larger than the sum of its proper divisors (26191839646).

45240450194 is a wasteful number, since it uses less digits than its factorization.

45240450194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190538184.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 45240450194 in words is "forty-five billion, two hundred forty million, four hundred fifty thousand, one hundred ninety-four".