146062440 has 112 divisors (see below), whose sum is σ = 492833700. Its totient is φ = 38942208.

The previous prime is 146062409. The next prime is 146062447. The reversal of 146062440 is 44260641.

146062440 is a `hidden beast` number, since 14 + 606 + 2 + 4 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 145009764 + 1052676 = 12042^2 + 1026^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (146062447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 26656 + ... + 31664.

Almost surely, 2^146062440 is an apocalyptic number.

146062440 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 146062440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246416850).

146062440 is an abundant number, since it is smaller than the sum of its proper divisors (346771260).

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

146062440 is an equidigital number, since it uses as much as digits as its factorization.

146062440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038 (or 5019 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 146062440 is about 12085.6294829852. The cubic root of 146062440 is about 526.6387975069.

The spelling of 146062440 in words is "one hundred forty-six million, sixty-two thousand, four hundred forty".