45505194 has 64 divisors (see below), whose sum is σ = 107268096. Its totient is φ = 12602304.

The previous prime is 45505193. The next prime is 45505237. The reversal of 45505194 is 49150554.

It is not an unprimeable number, because it can be changed into a prime (45505193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289764 + ... + 289920.

It is an arithmetic number, because the mean of its divisors is an integer number (1676064).

Almost surely, 2^45505194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45505194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53634048).

45505194 is an abundant number, since it is smaller than the sum of its proper divisors (61762902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45505194 is a wasteful number, since it uses less digits than its factorization.

45505194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 45505194 is about 6745.7537755243. The cubic root of 45505194 is about 357.0154329573.

The spelling of 45505194 in words is "forty-five million, five hundred five thousand, one hundred ninety-four".