154352081 has 8 divisors (see below), whose sum is σ = 166426344. Its totient is φ = 142306560.

The previous prime is 154352063. The next prime is 154352111. The reversal of 154352081 is 180253451.

154352081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2076481 + 152275600 = 1441^2 + 12340^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 154352081 - 2¹⁴ = 154335697 is a prime.

It is a super-2 number, since 2×154352081² = 47649129818061122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154352881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4715 + ... + 18191.

It is an arithmetic number, because the mean of its divisors is an integer number (20803293).

Almost surely, 2^154352081 is an apocalyptic number.

It is an amenable number.

154352081 is a deficient number, since it is larger than the sum of its proper divisors (12074263).

154352081 is a wasteful number, since it uses less digits than its factorization.

154352081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14371.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 154352081 is about 12423.8512949890. The cubic root of 154352081 is about 536.4190133826.

The spelling of 154352081 in words is "one hundred fifty-four million, three hundred fifty-two thousand, eighty-one".