1455532500 has 60 divisors (see below), whose sum is σ = 4243966496. Its totient is φ = 388140000.

The previous prime is 1455532493. The next prime is 1455532543. The reversal of 1455532500 is 52355541.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 89536 + ... + 104535.

Almost surely, 2^1455532500 is an apocalyptic number.

1455532500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1455532500 is an abundant number, since it is smaller than the sum of its proper divisors (2788433996).

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

1455532500 is a wasteful number, since it uses less digits than its factorization.

1455532500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194098 (or 194081 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 1455532500 is about 38151.4416503492. The cubic root of 1455532500 is about 1133.2889015645.

The spelling of 1455532500 in words is "one billion, four hundred fifty-five million, five hundred thirty-two thousand, five hundred".