1342645456 has 20 divisors (see below), whose sum is σ = 2630607300. Its totient is φ = 663779072.

The previous prime is 1342645427. The next prime is 1342645471. The reversal of 1342645456 is 6545462431.

It can be written as a sum of positive squares in 2 ways, for example, as 609102400 + 733543056 = 24680^2 + 27084^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470011 + ... + 472858.

It is an arithmetic number, because the mean of its divisors is an integer number (131530365).

Almost surely, 2^1342645456 is an apocalyptic number.

1342645456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1342645456 is a deficient number, since it is larger than the sum of its proper divisors (1287961844).

1342645456 is an equidigital number, since it uses as much as digits as its factorization.

1342645456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942966 (or 942960 counting only the distinct ones).

The product of its digits is 345600, while the sum is 40.

The square root of 1342645456 is about 36642.1267941696. The cubic root of 1342645456 is about 1103.1988034532.

The spelling of 1342645456 in words is "one billion, three hundred forty-two million, six hundred forty-five thousand, four hundred fifty-six".