1451345145 has 16 divisors (see below), whose sum is σ = 2323114560. Its totient is φ = 773729984.

The previous prime is 1451345081. The next prime is 1451345171. The reversal of 1451345145 is 5415431541.

It is a cyclic number.

It is not a de Polignac number, because 1451345145 - 2⁶ = 1451345081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19927 + ... + 57443.

It is an arithmetic number, because the mean of its divisors is an integer number (145194660).

Almost surely, 2^1451345145 is an apocalyptic number.

1451345145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1451345145 is a deficient number, since it is larger than the sum of its proper divisors (871769415).

1451345145 is a wasteful number, since it uses less digits than its factorization.

1451345145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40104.

The product of its digits is 24000, while the sum is 33.

The square root of 1451345145 is about 38096.5240540394. The cubic root of 1451345145 is about 1132.2010887026.

Adding to 1451345145 its reverse (5415431541), we get a palindrome (6866776686).

The spelling of 1451345145 in words is "one billion, four hundred fifty-one million, three hundred forty-five thousand, one hundred forty-five".