141998640 has 80 divisors (see below), whose sum is σ = 503086848. Its totient is φ = 32456448.

The previous prime is 141998617. The next prime is 141998687. The reversal of 141998640 is 46899141.

141998640 is digitally balanced in base 3, 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 (80).

It is a super-2 number, since 2×141998640² = 40327227523699200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 141998592 and 141998601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40582 + ... + 43941.

Almost surely, 2^141998640 is an apocalyptic number.

141998640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141998640 is an abundant number, since it is smaller than the sum of its proper divisors (361088208).

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

141998640 is a wasteful number, since it uses less digits than its factorization.

141998640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84546 (or 84540 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 141998640 is about 11916.3182233440. The cubic root of 141998640 is about 521.7086790681.

The spelling of 141998640 in words is "one hundred forty-one million, nine hundred ninety-eight thousand, six hundred forty".