154274166 has 64 divisors (see below), whose sum is σ = 356751360. Its totient is φ = 49364640.

The previous prime is 154274143. The next prime is 154274173. The reversal of 154274166 is 661472451.

It is a self number, because there is not a number n which added to its sum of digits gives 154274166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262525 + ... + 263111.

It is an arithmetic number, because the mean of its divisors is an integer number (5574240).

Almost surely, 2^154274166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154274166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178375680).

154274166 is an abundant number, since it is smaller than the sum of its proper divisors (202477194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154274166 is a wasteful number, since it uses less digits than its factorization.

154274166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786 (or 780 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 154274166 is about 12420.7151967993. The cubic root of 154274166 is about 536.3287389881.

The spelling of 154274166 in words is "one hundred fifty-four million, two hundred seventy-four thousand, one hundred sixty-six".