154166641 has 4 divisors (see below), whose sum is σ = 154326384. Its totient is φ = 154006900.

The previous prime is 154166633. The next prime is 154166647. The reversal of 154166641 is 146661451.

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.

It is a cyclic number.

It is not a de Polignac number, because 154166641 - 2³ = 154166633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154166597 and 154166606.

It is not an unprimeable number, because it can be changed into a prime (154166647) 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, 78415 + ... + 80356.

It is an arithmetic number, because the mean of its divisors is an integer number (38581596).

Almost surely, 2^154166641 is an apocalyptic number.

It is an amenable number.

154166641 is a deficient number, since it is larger than the sum of its proper divisors (159743).

154166641 is an equidigital number, since it uses as much as digits as its factorization.

154166641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159742.

The product of its digits is 17280, while the sum is 34.

The square root of 154166641 is about 12416.3859878791. The cubic root of 154166641 is about 536.2041077289.

The spelling of 154166641 in words is "one hundred fifty-four million, one hundred sixty-six thousand, six hundred forty-one".