141776648 has 32 divisors (see below), whose sum is σ = 287578200. Its totient is φ = 65138688.

The previous prime is 141776641. The next prime is 141776659. The reversal of 141776648 is 846677141.

It is a Cunningham number, because it is equal to 11907²-1.

It can be written as a sum of positive squares in 4 ways, for example, as 86452804 + 55323844 = 9298^2 + 7438^2 .

It is a junction number, because it is equal to n+sod(n) for n = 141776599 and 141776608.

It is not an unprimeable number, because it can be changed into a prime (141776641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20840 + ... + 26792.

Almost surely, 2^141776648 is an apocalyptic number.

It is an amenable number.

141776648 is an abundant number, since it is smaller than the sum of its proper divisors (145801552).

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

141776648 is a wasteful number, since it uses less digits than its factorization.

141776648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6201 (or 6197 counting only the distinct ones).

The product of its digits is 225792, while the sum is 44.

The square root of 141776648 is about 11906.9999580079. Note that the first 4 decimals coincide. The cubic root of 141776648 is about 521.4366681101.

The spelling of 141776648 in words is "one hundred forty-one million, seven hundred seventy-six thousand, six hundred forty-eight".