1245233146 has 16 divisors (see below), whose sum is σ = 1934461440. Its totient is φ = 600461680.

The previous prime is 1245233137. The next prime is 1245233149. The reversal of 1245233146 is 6413325421.

It is not an unprimeable number, because it can be changed into a prime (1245233149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41055 + ... + 64621.

It is an arithmetic number, because the mean of its divisors is an integer number (120903840).

Almost surely, 2^1245233146 is an apocalyptic number.

1245233146 is a deficient number, since it is larger than the sum of its proper divisors (689228294).

1245233146 is a wasteful number, since it uses less digits than its factorization.

1245233146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24509.

The product of its digits is 17280, while the sum is 31.

The square root of 1245233146 is about 35287.8611706632. The cubic root of 1245233146 is about 1075.8462839474.

Adding to 1245233146 its reverse (6413325421), we get a palindrome (7658558567).

The spelling of 1245233146 in words is "one billion, two hundred forty-five million, two hundred thirty-three thousand, one hundred forty-six".