141577920 has 336 divisors, whose sum is σ = 549188640. Its totient is φ = 33177600.

The previous prime is 141577883. The next prime is 141577937. The reversal of 141577920 is 29775141.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1298826 + ... + 1298934.

It is an arithmetic number, because the mean of its divisors is an integer number (1634490).

Almost surely, 2^141577920 is an apocalyptic number.

141577920 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 141577920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274594320).

141577920 is an abundant number, since it is smaller than the sum of its proper divisors (407610720).

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

141577920 is a wasteful number, since it uses less digits than its factorization.

141577920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 141577920 is about 11898.6520244942. The cubic root of 141577920 is about 521.1929219974.

The spelling of 141577920 in words is "one hundred forty-one million, five hundred seventy-seven thousand, nine hundred twenty".