1934420145 has 64 divisors (see below), whose sum is σ = 3630680064. Its totient is φ = 861073920.

The previous prime is 1934420143. The next prime is 1934420171. The reversal of 1934420145 is 5410244391.

It is not a de Polignac number, because 1934420145 - 2¹ = 1934420143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1934420143) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2541565 + ... + 2542325.

It is an arithmetic number, because the mean of its divisors is an integer number (56729376).

Almost surely, 2^1934420145 is an apocalyptic number.

1934420145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1934420145 is a deficient number, since it is larger than the sum of its proper divisors (1696259919).

1934420145 is a wasteful number, since it uses less digits than its factorization.

1934420145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1934420145 is about 43982.0434382033. The cubic root of 1934420145 is about 1245.9968242866.

The spelling of 1934420145 in words is "one billion, nine hundred thirty-four million, four hundred twenty thousand, one hundred forty-five".