1455320052 has 18 divisors (see below), whose sum is σ = 3678725778. Its totient is φ = 485106672.

The previous prime is 1455320023. The next prime is 1455320081. The reversal of 1455320052 is 2500235541.

It is a happy number.

1455320052 is a `hidden beast` number, since 1 + 455 + 3 + 200 + 5 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1455320023) and next prime (1455320081).

It can be written as a sum of positive squares in only one way, i.e., 1030795236 + 424524816 = 32106^2 + 20604^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 1455319998 and 1455320025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20212743 + ... + 20212814.

Almost surely, 2^1455320052 is an apocalyptic number.

1455320052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1455320052 is an abundant number, since it is smaller than the sum of its proper divisors (2223405726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1455320052 is a wasteful number, since it uses less digits than its factorization.

1455320052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40425567 (or 40425562 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1455320052 is about 38148.6572765019. The cubic root of 1455320052 is about 1133.2337609944.

Adding to 1455320052 its reverse (2500235541), we get a palindrome (3955555593).

The spelling of 1455320052 in words is "one billion, four hundred fifty-five million, three hundred twenty thousand, fifty-two".