168433545 has 16 divisors (see below), whose sum is σ = 307992960. Its totient is φ = 76998144.

The previous prime is 168433487. The next prime is 168433553. The reversal of 168433545 is 545334861.

It is not a de Polignac number, because 168433545 - 2⁶ = 168433481 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 801960 + ... + 802169.

It is an arithmetic number, because the mean of its divisors is an integer number (19249560).

Almost surely, 2^168433545 is an apocalyptic number.

168433545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

168433545 is a deficient number, since it is larger than the sum of its proper divisors (139559415).

168433545 is a wasteful number, since it uses less digits than its factorization.

168433545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604144.

The product of its digits is 172800, while the sum is 39.

The square root of 168433545 is about 12978.1949823541. The cubic root of 168433545 is about 552.2590774763.

The spelling of 168433545 in words is "one hundred sixty-eight million, four hundred thirty-three thousand, five hundred forty-five".