1457547645 has 16 divisors (see below), whose sum is σ = 2360175552. Its totient is φ = 767992320.

The previous prime is 1457547617. The next prime is 1457547659. The reversal of 1457547645 is 5467457541.

It is not a de Polignac number, because 1457547645 - 2⁸ = 1457547389 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1457547594 and 1457547603.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 584116 + ... + 586605.

It is an arithmetic number, because the mean of its divisors is an integer number (147510972).

Almost surely, 2^1457547645 is an apocalyptic number.

1457547645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1457547645 is a deficient number, since it is larger than the sum of its proper divisors (902627907).

1457547645 is a wasteful number, since it uses less digits than its factorization.

1457547645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170812.

The product of its digits is 2352000, while the sum is 48.

The square root of 1457547645 is about 38177.8423303361. The cubic root of 1457547645 is about 1133.8116629016.

The spelling of 1457547645 in words is "one billion, four hundred fifty-seven million, five hundred forty-seven thousand, six hundred forty-five".