3770378145 has 32 divisors (see below), whose sum is σ = 7055683200. Its totient is φ = 1905031872.

The previous prime is 3770378141. The next prime is 3770378147. The reversal of 3770378145 is 5418730773.

It is not a de Polignac number, because 3770378145 - 2² = 3770378141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3770378145.

It is not an unprimeable number, because it can be changed into a prime (3770378141) 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 31 ways as a sum of consecutive naturals, for example, 732402 + ... + 737531.

It is an arithmetic number, because the mean of its divisors is an integer number (220490100).

Almost surely, 2^3770378145 is an apocalyptic number.

It is an amenable number.

3770378145 is a deficient number, since it is larger than the sum of its proper divisors (3285305055).

3770378145 is a wasteful number, since it uses less digits than its factorization.

3770378145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469966 (or 1469960 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The square root of 3770378145 is about 61403.4049951629. The cubic root of 3770378145 is about 1556.4253766648.

The spelling of 3770378145 in words is "three billion, seven hundred seventy million, three hundred seventy-eight thousand, one hundred forty-five".