141978480 has 120 divisors (see below), whose sum is σ = 512034192. Its totient is φ = 32449536.

The previous prime is 141978451. The next prime is 141978497. The reversal of 141978480 is 84879141.

141978480 is digitally balanced in base 2, 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 (120).

It is a super-2 number, since 2×141978480² = 40315777566220800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5724 + ... + 17796.

Almost surely, 2^141978480 is an apocalyptic number.

141978480 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 141978480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256017096).

141978480 is an abundant number, since it is smaller than the sum of its proper divisors (370055712).

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

141978480 is a wasteful number, since it uses less digits than its factorization.

141978480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12103 (or 12090 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 141978480 is about 11915.4722944582. The cubic root of 141978480 is about 521.6839883510.

The spelling of 141978480 in words is "one hundred forty-one million, nine hundred seventy-eight thousand, four hundred eighty".