1945148832 has 72 divisors (see below), whose sum is σ = 6034392000. Its totient is φ = 589438080.

The previous prime is 1945148819. The next prime is 1945148839. The reversal of 1945148832 is 2388415491.

1945148832 is a `hidden beast` number, since 1 + 94 + 51 + 488 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (1945148839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303832 + ... + 310167.

It is an arithmetic number, because the mean of its divisors is an integer number (83811000).

Almost surely, 2^1945148832 is an apocalyptic number.

1945148832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1945148832 is an abundant number, since it is smaller than the sum of its proper divisors (4089243168).

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

1945148832 is a wasteful number, since it uses less digits than its factorization.

1945148832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614026 (or 614015 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 1945148832 is about 44103.8414653418. The cubic root of 1945148832 is about 1248.2960959174.

The spelling of 1945148832 in words is "one billion, nine hundred forty-five million, one hundred forty-eight thousand, eight hundred thirty-two".