1355505145 has 16 divisors (see below), whose sum is σ = 1669148928. Its totient is φ = 1056263040.

The previous prime is 1355505131. The next prime is 1355505247. The reversal of 1355505145 is 5415055531.

It is not a de Polignac number, because 1355505145 - 2¹⁹ = 1354980857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1355505145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35917 + ... + 63253.

It is an arithmetic number, because the mean of its divisors is an integer number (104321808).

Almost surely, 2^1355505145 is an apocalyptic number.

It is an amenable number.

1355505145 is a deficient number, since it is larger than the sum of its proper divisors (313643783).

1355505145 is a wasteful number, since it uses less digits than its factorization.

1355505145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27600.

The product of its (nonzero) digits is 37500, while the sum is 34.

The square root of 1355505145 is about 36817.1854573377. The cubic root of 1355505145 is about 1106.7097178761.

The spelling of 1355505145 in words is "one billion, three hundred fifty-five million, five hundred five thousand, one hundred forty-five".