154870066 has 8 divisors (see below), whose sum is σ = 250174764. Its totient is φ = 71478480.

The previous prime is 154870061. The next prime is 154870073. The reversal of 154870066 is 660078451.

It can be written as a sum of positive squares in 2 ways, for example, as 148474225 + 6395841 = 12185^2 + 2529^2 .

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

It is not an unprimeable number, because it can be changed into a prime (154870061) 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, 2978245 + ... + 2978296.

Almost surely, 2^154870066 is an apocalyptic number.

154870066 is a deficient number, since it is larger than the sum of its proper divisors (95304698).

154870066 is a wasteful number, since it uses less digits than its factorization.

154870066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5956556.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 154870066 is about 12444.6802289171. The cubic root of 154870066 is about 537.0183936264.

The spelling of 154870066 in words is "one hundred fifty-four million, eight hundred seventy thousand, sixty-six".