195154 has 4 divisors (see below), whose sum is σ = 292734. Its totient is φ = 97576.

The previous prime is 195137. The next prime is 195157. The reversal of 195154 is 451591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 451591 = 7 ⋅64513.

It can be written as a sum of positive squares in only one way, i.e., 189225 + 5929 = 435^2 + 77^2 .

It is not an unprimeable number, because it can be changed into a prime (195157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48787 + ... + 48790.

2¹⁹⁵¹⁵⁴ is an apocalyptic number.

195154 is a deficient number, since it is larger than the sum of its proper divisors (97580).

195154 is an equidigital number, since it uses as much as digits as its factorization.

195154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97579.

The product of its digits is 900, while the sum is 25.

The square root of 195154 is about 441.7623795662. The cubic root of 195154 is about 58.0041614137.

The spelling of 195154 in words is "one hundred ninety-five thousand, one hundred fifty-four".