1455620232 has 64 divisors (see below), whose sum is σ = 3998534400. Its totient is φ = 437912640.

The previous prime is 1455620227. The next prime is 1455620233. The reversal of 1455620232 is 2320265541.

It is a self number, because there is not a number n which added to its sum of digits gives 1455620232.

It is not an unprimeable number, because it can be changed into a prime (1455620233) 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, 16863 + ... + 56529.

It is an arithmetic number, because the mean of its divisors is an integer number (62477100).

Almost surely, 2^1455620232 is an apocalyptic number.

1455620232 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 1455620232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1999267200).

1455620232 is an abundant number, since it is smaller than the sum of its proper divisors (2542914168).

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

1455620232 is a wasteful number, since it uses less digits than its factorization.

1455620232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39826 (or 39822 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1455620232 is about 38152.5914191946. The cubic root of 1455620232 is about 1133.3116707124.

Adding to 1455620232 its reverse (2320265541), we get a palindrome (3775885773).

The spelling of 1455620232 in words is "one billion, four hundred fifty-five million, six hundred twenty thousand, two hundred thirty-two".