1355226345 has 48 divisors (see below), whose sum is σ = 2598770304. Its totient is φ = 647808000.

The previous prime is 1355226307. The next prime is 1355226373. The reversal of 1355226345 is 5436225531.

1355226345 is a `hidden beast` number, since 1 + 3 + 552 + 2 + 63 + 45 = 666.

It is not a de Polignac number, because 1355226345 - 2¹⁰ = 1355225321 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15865 + ... + 54425.

It is an arithmetic number, because the mean of its divisors is an integer number (54141048).

Almost surely, 2^1355226345 is an apocalyptic number.

1355226345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1355226345 is a deficient number, since it is larger than the sum of its proper divisors (1243543959).

1355226345 is a wasteful number, since it uses less digits than its factorization.

1355226345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38654 (or 38651 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 1355226345 is about 36813.3989873253. The cubic root of 1355226345 is about 1106.6338367364.

The spelling of 1355226345 in words is "one billion, three hundred fifty-five million, two hundred twenty-six thousand, three hundred forty-five".