1354155553145 has 4 divisors (see below), whose sum is σ = 1624986663780. Its totient is φ = 1083324442512.

The previous prime is 1354155553123. The next prime is 1354155553151. The reversal of 1354155553145 is 5413555514531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 135721507216 + 1218434045929 = 368404^2 + 1103827^2 .

It is a cyclic number.

It is not a de Polignac number, because 1354155553145 - 2³⁰ = 1353081811321 is a prime.

It is a super-2 number, since 2×1354155553145² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1354155553145.

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, 135415555310 + ... + 135415555319.

It is an arithmetic number, because the mean of its divisors is an integer number (406246665945).

Almost surely, 2^{1354155553145} is an apocalyptic number.

It is an amenable number.

1354155553145 is a deficient number, since it is larger than the sum of its proper divisors (270831110635).

1354155553145 is an equidigital number, since it uses as much as digits as its factorization.

1354155553145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270831110634.

The product of its digits is 2250000, while the sum is 47.

The spelling of 1354155553145 in words is "one trillion, three hundred fifty-four billion, one hundred fifty-five million, five hundred fifty-three thousand, one hundred forty-five".