1455232153 has 4 divisors (see below), whose sum is σ = 1456251940. Its totient is φ = 1454212368.

The previous prime is 1455232099. The next prime is 1455232171. The reversal of 1455232153 is 3512325541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3512325541 = 19 ⋅184859239.

It can be written as a sum of positive squares in 2 ways, for example, as 443228809 + 1012003344 = 21053^2 + 31812^2 .

It is a cyclic number.

It is not a de Polignac number, because 1455232153 - 2²¹ = 1453135001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1455232853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507750 + ... + 510607.

It is an arithmetic number, because the mean of its divisors is an integer number (364062985).

Almost surely, 2^1455232153 is an apocalyptic number.

It is an amenable number.

1455232153 is a deficient number, since it is larger than the sum of its proper divisors (1019787).

1455232153 is a wasteful number, since it uses less digits than its factorization.

1455232153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019786.

The product of its digits is 18000, while the sum is 31.

The square root of 1455232153 is about 38147.5052002094. The cubic root of 1455232153 is about 1133.2109453671.

Adding to 1455232153 its reverse (3512325541), we get a palindrome (4967557694).

The spelling of 1455232153 in words is "one billion, four hundred fifty-five million, two hundred thirty-two thousand, one hundred fifty-three".