154938081 has 8 divisors (see below), whose sum is σ = 207037984. Its totient is φ = 103065120.

The previous prime is 154938079. The next prime is 154938089. The reversal of 154938081 is 180839451.

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

It is not a de Polignac number, because 154938081 - 2¹ = 154938079 is a prime.

It is a super-2 number, since 2×154938081² = 48011617887925122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154938089) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 55135 + ... + 57876.

It is an arithmetic number, because the mean of its divisors is an integer number (25879748).

Almost surely, 2^154938081 is an apocalyptic number.

It is an amenable number.

154938081 is a deficient number, since it is larger than the sum of its proper divisors (52099903).

154938081 is a wasteful number, since it uses less digits than its factorization.

154938081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113471.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 154938081 is about 12447.4126227100. The cubic root of 154938081 is about 537.0969970675.

The spelling of 154938081 in words is "one hundred fifty-four million, nine hundred thirty-eight thousand, eighty-one".