1945354160 has 80 divisors (see below), whose sum is σ = 4713126912. Its totient is φ = 745900800.

The previous prime is 1945354141. The next prime is 1945354163. The reversal of 1945354160 is 614535491.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (1945354163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261695 + ... + 269025.

Almost surely, 2^1945354160 is an apocalyptic number.

1945354160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1945354160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2356563456).

1945354160 is an abundant number, since it is smaller than the sum of its proper divisors (2767772752).

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

1945354160 is a wasteful number, since it uses less digits than its factorization.

1945354160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7482 (or 7476 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 1945354160 is about 44106.1691830066. The cubic root of 1945354160 is about 1248.3400173419.

The spelling of 1945354160 in words is "one billion, nine hundred forty-five million, three hundred fifty-four thousand, one hundred sixty".