1245454151400 has 144 divisors (see below), whose sum is σ = 4192587778860. Its totient is φ = 331332019200.

The previous prime is 1245454151393. The next prime is 1245454151437. The reversal of 1245454151400 is 41514545421.

1245454151400 is a `hidden beast` number, since 1 + 2 + 4 + 54 + 54 + 151 + 400 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 359709156 + 1245094442244 = 18966^2 + 1115838^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 63957 + ... + 1579556.

Almost surely, 2^{1245454151400} is an apocalyptic number.

1245454151400 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 1245454151400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2096293889430).

1245454151400 is an abundant number, since it is smaller than the sum of its proper divisors (2947133627460).

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

1245454151400 is a wasteful number, since it uses less digits than its factorization.

1245454151400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643956 (or 1643944 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

Adding to 1245454151400 its reverse (41514545421), we get a palindrome (1286968696821).

The spelling of 1245454151400 in words is "one trillion, two hundred forty-five billion, four hundred fifty-four million, one hundred fifty-one thousand, four hundred".