1455155969 has 12 divisors (see below), whose sum is σ = 1519748028. Its totient is φ = 1392792960.

The previous prime is 1455155959. The next prime is 1455155981. The reversal of 1455155969 is 9695515541.

It can be written as a sum of positive squares in 6 ways, for example, as 609102400 + 846053569 = 24680^2 + 29087^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1455155969 is a prime.

It is a super-2 number, since 2×1455155969² = 4234957788232657922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1455155959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80927 + ... + 97259.

It is an arithmetic number, because the mean of its divisors is an integer number (126645669).

Almost surely, 2^1455155969 is an apocalyptic number.

It is an amenable number.

1455155969 is a deficient number, since it is larger than the sum of its proper divisors (64592059).

1455155969 is an equidigital number, since it uses as much as digits as its factorization.

1455155969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16468 (or 16427 counting only the distinct ones).

The product of its digits is 1215000, while the sum is 50.

The square root of 1455155969 is about 38146.5066421553. The cubic root of 1455155969 is about 1133.1911698170.

The spelling of 1455155969 in words is "one billion, four hundred fifty-five million, one hundred fifty-five thousand, nine hundred sixty-nine".