1455404711145 has 128 divisors (see below), whose sum is σ = 3059126784000. Its totient is φ = 572433039360.

The previous prime is 1455404711141. The next prime is 1455404711177. The reversal of 1455404711145 is 5411174045541.

It is a happy number.

It is not a de Polignac number, because 1455404711145 - 2² = 1455404711141 is a prime.

It is a super-2 number, since 2×1455404711145² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1455404711097 and 1455404711106.

It is not an unprimeable number, because it can be changed into a prime (1455404711141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 22109641 + ... + 22175369.

It is an arithmetic number, because the mean of its divisors is an integer number (23899428000).

Almost surely, 2^{1455404711145} is an apocalyptic number.

1455404711145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1455404711145 is an abundant number, since it is smaller than the sum of its proper divisors (1603722072855).

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

1455404711145 is a wasteful number, since it uses less digits than its factorization.

1455404711145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66783.

The product of its (nonzero) digits is 224000, while the sum is 42.

Adding to 1455404711145 its reverse (5411174045541), we get a palindrome (6866578756686).

The spelling of 1455404711145 in words is "one trillion, four hundred fifty-five billion, four hundred four million, seven hundred eleven thousand, one hundred forty-five".