154338069 has 4 divisors (see below), whose sum is σ = 205784096. Its totient is φ = 102892044.

The previous prime is 154338061. The next prime is 154338071. The reversal of 154338069 is 960833451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 960833451 = 3 ⋅320277817.

It is not a de Polignac number, because 154338069 - 2³ = 154338061 is a prime.

It is a super-2 number, since 2×154338069² = 47640479085297522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154338061) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 25723009 + ... + 25723014.

It is an arithmetic number, because the mean of its divisors is an integer number (51446024).

Almost surely, 2^154338069 is an apocalyptic number.

It is an amenable number.

154338069 is a deficient number, since it is larger than the sum of its proper divisors (51446027).

154338069 is an equidigital number, since it uses as much as digits as its factorization.

154338069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51446026.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 154338069 is about 12423.2873668768. The cubic root of 154338069 is about 536.4027809470.

The spelling of 154338069 in words is "one hundred fifty-four million, three hundred thirty-eight thousand, sixty-nine".