1455545145 has 8 divisors (see below), whose sum is σ = 2328872256. Its totient is φ = 776290736.

The previous prime is 1455545131. The next prime is 1455545149. The reversal of 1455545145 is 5415455541.

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

It is a cyclic number.

It is not a de Polignac number, because 1455545145 - 2⁷ = 1455545017 is a prime.

It is a super-2 number, since 2×1455545145² = 4237223338266142050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1455545149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48518157 + ... + 48518186.

It is an arithmetic number, because the mean of its divisors is an integer number (291109032).

Almost surely, 2^1455545145 is an apocalyptic number.

1455545145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1455545145 is a deficient number, since it is larger than the sum of its proper divisors (873327111).

1455545145 is an equidigital number, since it uses as much as digits as its factorization.

1455545145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97036351.

The product of its digits is 200000, while the sum is 39.

The square root of 1455545145 is about 38151.6073711187. The cubic root of 1455545145 is about 1133.2921833867.

The spelling of 1455545145 in words is "one billion, four hundred fifty-five million, five hundred forty-five thousand, one hundred forty-five".