1544405045145 has 16 divisors (see below), whose sum is σ = 2471064122880. Its totient is φ = 823677340544.

The previous prime is 1544405045101. The next prime is 1544405045167. The reversal of 1544405045145 is 5415405044451.

It is a cyclic number.

It is not a de Polignac number, because 1544405045145 - 2¹⁸ = 1544404783001 is a prime.

It is a super-3 number, since 3×1544405045145³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1544405045097 and 1544405045106.

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, 3390061 + ... + 3818549.

It is an arithmetic number, because the mean of its divisors is an integer number (154441507680).

Almost surely, 2^{1544405045145} is an apocalyptic number.

1544405045145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1544405045145 is a deficient number, since it is larger than the sum of its proper divisors (926659077735).

1544405045145 is a wasteful number, since it uses less digits than its factorization.

1544405045145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668784.

The product of its (nonzero) digits is 640000, while the sum is 42.

The spelling of 1544405045145 in words is "one trillion, five hundred forty-four billion, four hundred five million, forty-five thousand, one hundred forty-five".