1445123346 has 8 divisors (see below), whose sum is σ = 2890246704. Its totient is φ = 481707780.

The previous prime is 1445123291. The next prime is 1445123347. The reversal of 1445123346 is 6433215441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1445123346 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1445123347) 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 3 ways as a sum of consecutive naturals, for example, 120426940 + ... + 120426951.

It is an arithmetic number, because the mean of its divisors is an integer number (361280838).

Almost surely, 2^1445123346 is an apocalyptic number.

1445123346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1445123346 is a wasteful number, since it uses less digits than its factorization.

1445123346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240853896.

The product of its digits is 34560, while the sum is 33.

The square root of 1445123346 is about 38014.7779948798. Note that the first 3 decimals coincide. The cubic root of 1445123346 is about 1130.5808865010.

Adding to 1445123346 its reverse (6433215441), we get a palindrome (7878338787).

The spelling of 1445123346 in words is "one billion, four hundred forty-five million, one hundred twenty-three thousand, three hundred forty-six".