1331454145 has 16 divisors (see below), whose sum is σ = 1826587008. Its totient is φ = 912700800.

The previous prime is 1331454109. The next prime is 1331454149. The reversal of 1331454145 is 5414541331.

It is not a de Polignac number, because 1331454145 - 2¹¹ = 1331452097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331454149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203170 + ... + 209620.

It is an arithmetic number, because the mean of its divisors is an integer number (114161688).

Almost surely, 2^1331454145 is an apocalyptic number.

It is an amenable number.

1331454145 is a deficient number, since it is larger than the sum of its proper divisors (495132863).

1331454145 is an equidigital number, since it uses as much as digits as its factorization.

1331454145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12360.

The product of its digits is 14400, while the sum is 31.

The square root of 1331454145 is about 36489.0962480574. The cubic root of 1331454145 is about 1100.1250945888.

Adding to 1331454145 its reverse (5414541331), we get a palindrome (6745995476).

The spelling of 1331454145 in words is "one billion, three hundred thirty-one million, four hundred fifty-four thousand, one hundred forty-five".