154063009 has 4 divisors (see below), whose sum is σ = 154334340. Its totient is φ = 153791680.

The previous prime is 154062991. The next prime is 154063031. The reversal of 154063009 is 900360451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 900360451 = 41 ⋅21960011.

It can be written as a sum of positive squares in 2 ways, for example, as 103083409 + 50979600 = 10153^2 + 7140^2 .

It is a cyclic number.

It is not a de Polignac number, because 154063009 - 2⁵ = 154062977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154063309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134812 + ... + 135949.

It is an arithmetic number, because the mean of its divisors is an integer number (38583585).

Almost surely, 2^154063009 is an apocalyptic number.

It is an amenable number.

154063009 is a deficient number, since it is larger than the sum of its proper divisors (271331).

154063009 is an equidigital number, since it uses as much as digits as its factorization.

154063009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271330.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 154063009 is about 12412.2120913236. The cubic root of 154063009 is about 536.0839339580.

The spelling of 154063009 in words is "one hundred fifty-four million, sixty-three thousand, nine".