141961776 has 80 divisors (see below), whose sum is σ = 401819520. Its totient is φ = 42831360.

The previous prime is 141961769. The next prime is 141961777. The reversal of 141961776 is 677169141.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (141961777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164835 + ... + 165693.

It is an arithmetic number, because the mean of its divisors is an integer number (5022744).

Almost surely, 2^141961776 is an apocalyptic number.

141961776 is a gapful number since it is divisible by the number (16) 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 141961776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200909760).

141961776 is an abundant number, since it is smaller than the sum of its proper divisors (259857744).

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

141961776 is a wasteful number, since it uses less digits than its factorization.

141961776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194 (or 1188 counting only the distinct ones).

The product of its digits is 63504, while the sum is 42.

The square root of 141961776 is about 11914.7713364546. The cubic root of 141961776 is about 521.6635285576.

The spelling of 141961776 in words is "one hundred forty-one million, nine hundred sixty-one thousand, seven hundred seventy-six".