240230146 has 16 divisors (see below), whose sum is σ = 388584504. Its totient is φ = 110726784.

The previous prime is 240230143. The next prime is 240230153. The reversal of 240230146 is 641032042.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 217238121 + 22992025 = 14739^2 + 4795^2 .

It is not an unprimeable number, because it can be changed into a prime (240230143) 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 7 ways as a sum of consecutive naturals, for example, 14926 + ... + 26518.

Almost surely, 2^240230146 is an apocalyptic number.

240230146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

240230146 is a deficient number, since it is larger than the sum of its proper divisors (148354358).

240230146 is a wasteful number, since it uses less digits than its factorization.

240230146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12405.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 240230146 is about 15499.3595351550. The cubic root of 240230146 is about 621.6450813766.

Adding to 240230146 its reverse (641032042), we get a palindrome (881262188).

The spelling of 240230146 in words is "two hundred forty million, two hundred thirty thousand, one hundred forty-six".