1455145251012 has 96 divisors (see below), whose sum is σ = 3839346237440. Its totient is φ = 476506087200.

The previous prime is 1455145250957. The next prime is 1455145251013. The reversal of 1455145251012 is 2101525415541.

1455145251012 is a `hidden beast` number, since 1 + 4 + 551 + 4 + 52 + 51 + 0 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1455145251013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2381637 + ... + 2929587.

Almost surely, 2^{1455145251012} is an apocalyptic number.

1455145251012 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 1455145251012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1919673118720).

1455145251012 is an abundant number, since it is smaller than the sum of its proper divisors (2384200986428).

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

1455145251012 is a wasteful number, since it uses less digits than its factorization.

1455145251012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548398 (or 548390 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 36.

The spelling of 1455145251012 in words is "one trillion, four hundred fifty-five billion, one hundred forty-five million, two hundred fifty-one thousand, twelve".