141541920 has 144 divisors (see below), whose sum is σ = 520235352. Its totient is φ = 34836480.

The previous prime is 141541919. The next prime is 141541921. The reversal of 141541920 is 29145141.

It is an interprime number because it is at equal distance from previous prime (141541919) and next prime (141541921).

It can be written as a sum of positive squares in 4 ways, for example, as 69155856 + 72386064 = 8316^2 + 8508^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (141541921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14940 + ... + 22500.

Almost surely, 2^141541920 is an apocalyptic number.

141541920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 141541920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260117676).

141541920 is an abundant number, since it is smaller than the sum of its proper divisors (378693432).

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

141541920 is a wasteful number, since it uses less digits than its factorization.

141541920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7595 (or 7584 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 141541920 is about 11897.1391519138. The cubic root of 141541920 is about 521.1487424724.

The spelling of 141541920 in words is "one hundred forty-one million, five hundred forty-one thousand, nine hundred twenty".