1345655420153 has 4 divisors (see below), whose sum is σ = 1467987731088. Its totient is φ = 1223323109220.

The previous prime is 1345655420119. The next prime is 1345655420159. The reversal of 1345655420153 is 3510245565431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1345655420153 - 2¹² = 1345655416057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345655420159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61166155451 + ... + 61166155472.

It is an arithmetic number, because the mean of its divisors is an integer number (366996932772).

Almost surely, 2^{1345655420153} is an apocalyptic number.

It is an amenable number.

1345655420153 is a deficient number, since it is larger than the sum of its proper divisors (122332310935).

1345655420153 is a wasteful number, since it uses less digits than its factorization.

1345655420153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122332310934.

The product of its (nonzero) digits is 1080000, while the sum is 44.

The spelling of 1345655420153 in words is "one trillion, three hundred forty-five billion, six hundred fifty-five million, four hundred twenty thousand, one hundred fifty-three".