45919194 has 16 divisors (see below), whose sum is σ = 92871360. Its totient is φ = 15134240.

The previous prime is 45919189. The next prime is 45919199. The reversal of 45919194 is 49191954.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45919189) and next prime (45919199).

It is not an unprimeable number, because it can be changed into a prime (45919199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42462 + ... + 43529.

It is an arithmetic number, because the mean of its divisors is an integer number (5804460).

Almost surely, 2^45919194 is an apocalyptic number.

45919194 is an abundant number, since it is smaller than the sum of its proper divisors (46952166).

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

45919194 is a wasteful number, since it uses less digits than its factorization.

45919194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86085.

The product of its digits is 58320, while the sum is 42.

The square root of 45919194 is about 6776.3702673334. The cubic root of 45919194 is about 358.0948585020.

The spelling of 45919194 in words is "forty-five million, nine hundred nineteen thousand, one hundred ninety-four".