141478640 has 40 divisors (see below), whose sum is σ = 329584560. Its totient is φ = 56480256.

The previous prime is 141478633. The next prime is 141478661. The reversal of 141478640 is 46874141.

141478640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 141478640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48092 + ... + 50948.

It is an arithmetic number, because the mean of its divisors is an integer number (8239614).

Almost surely, 2^141478640 is an apocalyptic number.

141478640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141478640 is an abundant number, since it is smaller than the sum of its proper divisors (188105920).

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

141478640 is a wasteful number, since it uses less digits than its factorization.

141478640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3489 (or 3483 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 141478640 is about 11894.4793917178. The cubic root of 141478640 is about 521.0710665249.

The spelling of 141478640 in words is "one hundred forty-one million, four hundred seventy-eight thousand, six hundred forty".