1455232500 has 120 divisors (see below), whose sum is σ = 4714740800. Its totient is φ = 388044000.

The previous prime is 1455232433. The next prime is 1455232507. The reversal of 1455232500 is 52325541.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455232507) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 56721 + ... + 78279.

Almost surely, 2^1455232500 is an apocalyptic number.

1455232500 is a gapful number since it is divisible by the number (10) 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 1455232500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2357370400).

1455232500 is an abundant number, since it is smaller than the sum of its proper divisors (3259508300).

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

1455232500 is a wasteful number, since it uses less digits than its factorization.

1455232500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21592 (or 21569 counting only the distinct ones).

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

The square root of 1455232500 is about 38147.5097483440. The cubic root of 1455232500 is about 1133.2110354385.

The spelling of 1455232500 in words is "one billion, four hundred fifty-five million, two hundred thirty-two thousand, five hundred".