1015453332 has 72 divisors (see below), whose sum is σ = 2604911400. Its totient is φ = 333493248.

The previous prime is 1015453319. The next prime is 1015453343. The reversal of 1015453332 is 2333545101.

It can be written as a sum of positive squares in 4 ways, for example, as 39765636 + 975687696 = 6306^2 + 31236^2 .

It is a super-2 number, since 2×1015453332² = 2062290938939804448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1015453296 and 1015453305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1784344 + ... + 1784912.

It is an arithmetic number, because the mean of its divisors is an integer number (36179325).

Almost surely, 2^1015453332 is an apocalyptic number.

1015453332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1015453332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1302455700).

1015453332 is an abundant number, since it is smaller than the sum of its proper divisors (1589458068).

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

1015453332 is a wasteful number, since it uses less digits than its factorization.

1015453332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225 (or 1220 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1015453332 is about 31866.1784969582. The cubic root of 1015453332 is about 1005.1248022038.

Adding to 1015453332 its reverse (2333545101), we get a palindrome (3348998433).

The spelling of 1015453332 in words is "one billion, fifteen million, four hundred fifty-three thousand, three hundred thirty-two".