142464780 has 72 divisors (see below), whose sum is σ = 438630192. Its totient is φ = 37420416.

The previous prime is 142464779. The next prime is 142464787. The reversal of 142464780 is 87464241.

142464780 is a `hidden beast` number, since 1 + 4 + 2 + 4 + 647 + 8 + 0 = 666.

142464780 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (142464787) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6154 + ... + 17966.

It is an arithmetic number, because the mean of its divisors is an integer number (6092086).

Almost surely, 2^142464780 is an apocalyptic number.

142464780 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 142464780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219315096).

142464780 is an abundant number, since it is smaller than the sum of its proper divisors (296165412).

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

142464780 is a wasteful number, since it uses less digits than its factorization.

142464780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11895 (or 11890 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 142464780 is about 11935.8610916850. The cubic root of 142464780 is about 522.2789278665.

The spelling of 142464780 in words is "one hundred forty-two million, four hundred sixty-four thousand, seven hundred eighty".