1455445500 has 48 divisors (see below), whose sum is σ = 4238261664. Its totient is φ = 388118400.

The previous prime is 1455445493. The next prime is 1455445507. The reversal of 1455445500 is 55445541.

It is an interprime number because it is at equal distance from previous prime (1455445493) and next prime (1455445507).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455445507) 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, 483649 + ... + 486648.

It is an arithmetic number, because the mean of its divisors is an integer number (88297118).

Almost surely, 2^1455445500 is an apocalyptic number.

1455445500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1455445500 is an abundant number, since it is smaller than the sum of its proper divisors (2782816164).

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

1455445500 is a wasteful number, since it uses less digits than its factorization.

1455445500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970319 (or 970307 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 33.

The square root of 1455445500 is about 38150.3014404867. The cubic root of 1455445500 is about 1133.2663214895.

The spelling of 1455445500 in words is "one billion, four hundred fifty-five million, four hundred forty-five thousand, five hundred".