154018494034 has 4 divisors (see below), whose sum is σ = 231027741054. Its totient is φ = 77009247016.

The previous prime is 154018494029. The next prime is 154018494067. The reversal of 154018494034 is 430494810451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 430494810451 = 512047 ⋅840733.

It can be written as a sum of positive squares in only one way, i.e., 147458304009 + 6560190025 = 384003^2 + 80995^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38504623507 + ... + 38504623510.

Almost surely, 2^154018494034 is an apocalyptic number.

154018494034 is a deficient number, since it is larger than the sum of its proper divisors (77009247020).

154018494034 is an equidigital number, since it uses as much as digits as its factorization.

154018494034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77009247019.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 154018494034 in words is "one hundred fifty-four billion, eighteen million, four hundred ninety-four thousand, thirty-four".