141821955 has 64 divisors (see below), whose sum is σ = 281571840. Its totient is φ = 67132800.

The previous prime is 141821951. The next prime is 141821959. The reversal of 141821955 is 559128141.

It is an interprime number because it is at equal distance from previous prime (141821951) and next prime (141821959).

It is not a de Polignac number, because 141821955 - 2² = 141821951 is a prime.

It is a super-2 number, since 2×141821955² = 40226933840044050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (141821951) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62745 + ... + 64965.

It is an arithmetic number, because the mean of its divisors is an integer number (4399560).

Almost surely, 2^141821955 is an apocalyptic number.

141821955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

141821955 is a deficient number, since it is larger than the sum of its proper divisors (139749885).

141821955 is a wasteful number, since it uses less digits than its factorization.

141821955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289 (or 2283 counting only the distinct ones).

The product of its digits is 14400, while the sum is 36.

The square root of 141821955 is about 11908.9023423656. The cubic root of 141821955 is about 521.4922066757.

The spelling of 141821955 in words is "one hundred forty-one million, eight hundred twenty-one thousand, nine hundred fifty-five".