4194800145 has 144 divisors (see below), whose sum is σ = 8159374080. Its totient is φ = 1989225216.

The previous prime is 4194800131. The next prime is 4194800147. The reversal of 4194800145 is 5410084914.

It is not a de Polignac number, because 4194800145 - 2⁶ = 4194800081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4194800147) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 38484351 + ... + 38484459.

It is an arithmetic number, because the mean of its divisors is an integer number (56662320).

Almost surely, 2^4194800145 is an apocalyptic number.

4194800145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4194800145 is a deficient number, since it is larger than the sum of its proper divisors (3964573935).

4194800145 is a wasteful number, since it uses less digits than its factorization.

4194800145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 4194800145 is about 64767.2768070420. The cubic root of 4194800145 is about 1612.7625301776.

The spelling of 4194800145 in words is "four billion, one hundred ninety-four million, eight hundred thousand, one hundred forty-five".