195429154 has 4 divisors (see below), whose sum is σ = 293143734. Its totient is φ = 97714576.

The previous prime is 195429121. The next prime is 195429163. The reversal of 195429154 is 451924591.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 174953529 + 20475625 = 13227^2 + 4525^2 .

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 as a sum of consecutive naturals, namely, 48857287 + ... + 48857290.

Almost surely, 2^195429154 is an apocalyptic number.

195429154 is a deficient number, since it is larger than the sum of its proper divisors (97714580).

195429154 is an equidigital number, since it uses as much as digits as its factorization.

195429154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97714579.

The product of its digits is 64800, while the sum is 40.

The square root of 195429154 is about 13979.5977767602. The cubic root of 195429154 is about 580.3140926583.

The spelling of 195429154 in words is "one hundred ninety-five million, four hundred twenty-nine thousand, one hundred fifty-four".