103405454145 has 80 divisors (see below), whose sum is σ = 212778960768. Its totient is φ = 47062529280.

The previous prime is 103405454093. The next prime is 103405454147. The reversal of 103405454145 is 541454504301.

103405454145 is a `hidden beast` number, since 1 + 0 + 34 + 0 + 545 + 41 + 45 = 666.

It is not a de Polignac number, because 103405454145 - 2⁹ = 103405453633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103405454147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 563205 + ... + 723885.

Almost surely, 2^103405454145 is an apocalyptic number.

103405454145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103405454145 is an abundant number, since it is smaller than the sum of its proper divisors (109373506623).

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

103405454145 is a wasteful number, since it uses less digits than its factorization.

103405454145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160932 (or 160923 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 103405454145 its reverse (541454504301), we get a palindrome (644859958446).

The spelling of 103405454145 in words is "one hundred three billion, four hundred five million, four hundred fifty-four thousand, one hundred forty-five".