154134202 has 4 divisors (see below), whose sum is σ = 231201306. Its totient is φ = 77067100.

The previous prime is 154134161. The next prime is 154134209. The reversal of 154134202 is 202431451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202431451 = 599 ⋅337949.

It can be written as a sum of positive squares in only one way, i.e., 121198081 + 32936121 = 11009^2 + 5739^2 .

It is not an unprimeable number, because it can be changed into a prime (154134209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38533549 + ... + 38533552.

Almost surely, 2^154134202 is an apocalyptic number.

154134202 is a deficient number, since it is larger than the sum of its proper divisors (77067104).

154134202 is an equidigital number, since it uses as much as digits as its factorization.

154134202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77067103.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 154134202 is about 12415.0796211704. The cubic root of 154134202 is about 536.1664965980.

Adding to 154134202 its reverse (202431451), we get a palindrome (356565653).

The spelling of 154134202 in words is "one hundred fifty-four million, one hundred thirty-four thousand, two hundred two".