141555640 has 16 divisors (see below), whose sum is σ = 318500280. Its totient is φ = 56622240.

The previous prime is 141555629. The next prime is 141555647. The reversal of 141555640 is 46555141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141555647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1769406 + ... + 1769485.

Almost surely, 2^141555640 is an apocalyptic number.

141555640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141555640 is an abundant number, since it is smaller than the sum of its proper divisors (176944640).

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

141555640 is a wasteful number, since it uses less digits than its factorization.

141555640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538902 (or 3538898 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 141555640 is about 11897.7157471508. The cubic root of 141555640 is about 521.1655806636.

The spelling of 141555640 in words is "one hundred forty-one million, five hundred fifty-five thousand, six hundred forty".