1455322155 has 16 divisors (see below), whose sum is σ = 2661160704. Its totient is φ = 665290080.

The previous prime is 1455322153. The next prime is 1455322159. The reversal of 1455322155 is 5512235541.

It is not a de Polignac number, because 1455322155 - 2¹ = 1455322153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1455322151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6930001 + ... + 6930210.

It is an arithmetic number, because the mean of its divisors is an integer number (166322544).

Almost surely, 2^1455322155 is an apocalyptic number.

1455322155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1455322155 is a deficient number, since it is larger than the sum of its proper divisors (1205838549).

1455322155 is a wasteful number, since it uses less digits than its factorization.

1455322155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13860226.

The product of its digits is 30000, while the sum is 33.

The square root of 1455322155 is about 38148.6848397163. The cubic root of 1455322155 is about 1133.2343068513.

Adding to 1455322155 its reverse (5512235541), we get a palindrome (6967557696).

It can be divided in two parts, 1455 and 322155, that added together give a triangular number (323610 = T₈₀₄).

The spelling of 1455322155 in words is "one billion, four hundred fifty-five million, three hundred twenty-two thousand, one hundred fifty-five".