146430240 has 96 divisors (see below), whose sum is σ = 503205696. Its totient is φ = 35496960.

The previous prime is 146430227. The next prime is 146430241. The reversal of 146430240 is 42034641.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 146430240.

It is not an unprimeable number, because it can be changed into a prime (146430241) 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 15 ways as a sum of consecutive naturals, for example, 8587 + ... + 19146.

It is an arithmetic number, because the mean of its divisors is an integer number (5241726).

Almost surely, 2^146430240 is an apocalyptic number.

146430240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146430240 is an abundant number, since it is smaller than the sum of its proper divisors (356775456).

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

146430240 is a wasteful number, since it uses less digits than its factorization.

146430240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27762 (or 27754 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 146430240 is about 12100.8363347332. The cubic root of 146430240 is about 527.0804702447.

Adding to 146430240 its reverse (42034641), we get a palindrome (188464881).

The spelling of 146430240 in words is "one hundred forty-six million, four hundred thirty thousand, two hundred forty".