154013338 has 4 divisors (see below), whose sum is σ = 231020010. Its totient is φ = 77006668.

The previous prime is 154013329. The next prime is 154013341. The reversal of 154013338 is 833310451.

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., 153834409 + 178929 = 12403^2 + 423^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38503333 + ... + 38503336.

Almost surely, 2^154013338 is an apocalyptic number.

154013338 is a deficient number, since it is larger than the sum of its proper divisors (77006672).

154013338 is an equidigital number, since it uses as much as digits as its factorization.

154013338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77006671.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 154013338 is about 12410.2110376899. The cubic root of 154013338 is about 536.0263153524.

Adding to 154013338 its reverse (833310451), we get a palindrome (987323789).

It can be divided in two parts, 1540 and 13338, that added together give a triangular number (14878 = T₁₇₂).

The spelling of 154013338 in words is "one hundred fifty-four million, thirteen thousand, three hundred thirty-eight".