154068643 has 4 divisors (see below), whose sum is σ = 154103328. Its totient is φ = 154033960.

The previous prime is 154068623. The next prime is 154068661. The reversal of 154068643 is 346860451.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 154068643 - 2¹⁷ = 153937571 is a prime.

It is a super-2 number, since 2×154068643² = 47474293511722898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154068623) 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, 9496 + ... + 19957.

It is an arithmetic number, because the mean of its divisors is an integer number (38525832).

Almost surely, 2^154068643 is an apocalyptic number.

154068643 is a deficient number, since it is larger than the sum of its proper divisors (34685).

154068643 is an equidigital number, since it uses as much as digits as its factorization.

154068643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34684.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 154068643 is about 12412.4390431534. The cubic root of 154068643 is about 536.0904686438.

The spelling of 154068643 in words is "one hundred fifty-four million, sixty-eight thousand, six hundred forty-three".