1457068545 has 24 divisors (see below), whose sum is σ = 2584323456. Its totient is φ = 759030048.

The previous prime is 1457068531. The next prime is 1457068549. The reversal of 1457068545 is 5458607541.

1457068545 is a `hidden beast` number, since 1 + 45 + 7 + 0 + 68 + 545 = 666.

It is not a de Polignac number, because 1457068545 - 2⁵ = 1457068513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1457068545.

It is not an unprimeable number, because it can be changed into a prime (1457068549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 374569 + ... + 378438.

It is an arithmetic number, because the mean of its divisors is an integer number (107680144).

Almost surely, 2^1457068545 is an apocalyptic number.

1457068545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1457068545 is a deficient number, since it is larger than the sum of its proper divisors (1127254911).

1457068545 is a wasteful number, since it uses less digits than its factorization.

1457068545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753061 (or 753058 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The square root of 1457068545 is about 38171.5672326930. The cubic root of 1457068545 is about 1133.6874202628.

The spelling of 1457068545 in words is "one billion, four hundred fifty-seven million, sixty-eight thousand, five hundred forty-five".