141928644 has 144 divisors (see below), whose sum is σ = 401238656. Its totient is φ = 38776320.

The previous prime is 141928643. The next prime is 141928649. The reversal of 141928644 is 446829141.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (141928643) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1377897 + ... + 1377999.

Almost surely, 2^141928644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 141928644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200619328).

141928644 is an abundant number, since it is smaller than the sum of its proper divisors (259310012).

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

141928644 is a wasteful number, since it uses less digits than its factorization.

141928644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 205 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 141928644 is about 11913.3808803379. The cubic root of 141928644 is about 521.6229422785.

The spelling of 141928644 in words is "one hundred forty-one million, nine hundred twenty-eight thousand, six hundred forty-four".