1456842345 has 16 divisors (see below), whose sum is σ = 2663940480. Its totient is φ = 665985024.

The previous prime is 1456842313. The next prime is 1456842391. The reversal of 1456842345 is 5432486541.

It is not a de Polignac number, because 1456842345 - 2⁵ = 1456842313 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1456842297 and 1456842306.

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, 6937240 + ... + 6937449.

It is an arithmetic number, because the mean of its divisors is an integer number (166496280).

Almost surely, 2^1456842345 is an apocalyptic number.

1456842345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1456842345 is a deficient number, since it is larger than the sum of its proper divisors (1207098135).

1456842345 is a wasteful number, since it uses less digits than its factorization.

1456842345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13874704.

The product of its digits is 460800, while the sum is 42.

The square root of 1456842345 is about 38168.6041793514. The cubic root of 1456842345 is about 1133.6287514681.

The spelling of 1456842345 in words is "one billion, four hundred fifty-six million, eight hundred forty-two thousand, three hundred forty-five".