1875148644 has 24 divisors (see below), whose sum is σ = 4477100320. Its totient is φ = 610513344.

The previous prime is 1875148643. The next prime is 1875148657. The reversal of 1875148644 is 4468415781.

It is a junction number, because it is equal to n+sod(n) for n = 1875148593 and 1875148602.

It is not an unprimeable number, because it can be changed into a prime (1875148643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1816489 + ... + 1817520.

Almost surely, 2^1875148644 is an apocalyptic number.

It is an amenable number.

1875148644 is an abundant number, since it is smaller than the sum of its proper divisors (2601951676).

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

1875148644 is a wasteful number, since it uses less digits than its factorization.

1875148644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3634059 (or 3634057 counting only the distinct ones).

The product of its digits is 860160, while the sum is 48.

The square root of 1875148644 is about 43302.9865482740. The cubic root of 1875148644 is about 1233.1386218711.

The spelling of 1875148644 in words is "one billion, eight hundred seventy-five million, one hundred forty-eight thousand, six hundred forty-four".