1254534400145 has 16 divisors (see below), whose sum is σ = 1716611778000. Its totient is φ = 871929790464.

The previous prime is 1254534400109. The next prime is 1254534400157. The reversal of 1254534400145 is 5410044354521.

It can be written as a sum of positive squares in 8 ways, for example, as 147895623184 + 1106638776961 = 384572^2 + 1051969^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254534400145 - 2²⁶ = 1254467291281 is a prime.

It is a super-2 number, since 2×1254534400145² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1254534400099 and 1254534400108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 567661520 + ... + 567663729.

It is an arithmetic number, because the mean of its divisors is an integer number (107288236125).

Almost surely, 2^{1254534400145} is an apocalyptic number.

It is an amenable number.

1254534400145 is a deficient number, since it is larger than the sum of its proper divisors (462077377855).

1254534400145 is a wasteful number, since it uses less digits than its factorization.

1254534400145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135325284.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 1254534400145 its reverse (5410044354521), we get a palindrome (6664578754666).

The spelling of 1254534400145 in words is "one trillion, two hundred fifty-four billion, five hundred thirty-four million, four hundred thousand, one hundred forty-five".