143561093 has 16 divisors (see below), whose sum is σ = 168000000. Its totient is φ = 121487040.

The previous prime is 143561083. The next prime is 143561129. The reversal of 143561093 is 390165341.

It is a cyclic number.

It is not a de Polignac number, because 143561093 - 2¹² = 143556997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143561003) by changing a digit.

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, 1718 + ... + 17031.

It is an arithmetic number, because the mean of its divisors is an integer number (10500000).

Almost surely, 2^143561093 is an apocalyptic number.

143561093 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

143561093 is a deficient number, since it is larger than the sum of its proper divisors (24438907).

143561093 is a wasteful number, since it uses less digits than its factorization.

143561093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18812.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 143561093 is about 11981.6982519174. The cubic root of 143561093 is about 523.6152082961.

The spelling of 143561093 in words is "one hundred forty-three million, five hundred sixty-one thousand, ninety-three".