1546172045 has 16 divisors (see below), whose sum is σ = 2026581120. Its totient is φ = 1123099200.

The previous prime is 1546171997. The next prime is 1546172051. The reversal of 1546172045 is 5402716451.

It is not a de Polignac number, because 1546172045 - 2⁸ = 1546171789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1546171996 and 1546172014.

It is a congruent number.

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, 28640 + ... + 62550.

It is an arithmetic number, because the mean of its divisors is an integer number (126661320).

Almost surely, 2^1546172045 is an apocalyptic number.

It is an amenable number.

1546172045 is a deficient number, since it is larger than the sum of its proper divisors (480409075).

1546172045 is a wasteful number, since it uses less digits than its factorization.

1546172045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34756.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 1546172045 is about 39321.3942402860. The cubic root of 1546172045 is about 1156.3410383833.

Adding to 1546172045 its reverse (5402716451), we get a palindrome (6948888496).

The spelling of 1546172045 in words is "one billion, five hundred forty-six million, one hundred seventy-two thousand, forty-five".