193442955 has 16 divisors (see below), whose sum is σ = 313428480. Its totient is φ = 101863008.

The previous prime is 193442923. The next prime is 193442969. The reversal of 193442955 is 559244391.

It is not a de Polignac number, because 193442955 - 2⁵ = 193442923 is a prime.

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, 80437 + ... + 82806.

It is an arithmetic number, because the mean of its divisors is an integer number (19589280).

Almost surely, 2^193442955 is an apocalyptic number.

193442955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

193442955 is a deficient number, since it is larger than the sum of its proper divisors (119985525).

193442955 is a wasteful number, since it uses less digits than its factorization.

193442955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163330.

The product of its digits is 194400, while the sum is 42.

The square root of 193442955 is about 13908.3771519182. The cubic root of 193442955 is about 578.3414319132.

The spelling of 193442955 in words is "one hundred ninety-three million, four hundred forty-two thousand, nine hundred fifty-five".