1345154446 has 4 divisors (see below), whose sum is σ = 2017731672. Its totient is φ = 672577222.

The previous prime is 1345154417. The next prime is 1345154453. The reversal of 1345154446 is 6444515431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6444515431 = 17 ⋅379089143.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336288610 + ... + 336288613.

It is an arithmetic number, because the mean of its divisors is an integer number (504432918).

Almost surely, 2^1345154446 is an apocalyptic number.

1345154446 is a deficient number, since it is larger than the sum of its proper divisors (672577226).

1345154446 is an equidigital number, since it uses as much as digits as its factorization.

1345154446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672577225.

The product of its digits is 115200, while the sum is 37.

The square root of 1345154446 is about 36676.3472281524. The cubic root of 1345154446 is about 1103.8855552225.

Adding to 1345154446 its reverse (6444515431), we get a palindrome (7789669877).

It can be divided in two parts, 1345154 and 446, that added together give a square (1345600 = 1160²).

The spelling of 1345154446 in words is "one billion, three hundred forty-five million, one hundred fifty-four thousand, four hundred forty-six".