154049100 has 72 divisors (see below), whose sum is σ = 448335888. Its totient is φ = 40838400.

The previous prime is 154049099. The next prime is 154049107. The reversal of 154049100 is 1940451.

It is a super-2 number, since 2×154049100² = 47462250421620000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (154049107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52882 + ... + 55718.

Almost surely, 2^154049100 is an apocalyptic number.

154049100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154049100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224167944).

154049100 is an abundant number, since it is smaller than the sum of its proper divisors (294286788).

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

154049100 is a wasteful number, since it uses less digits than its factorization.

154049100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035 (or 3028 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 154049100 is about 12411.6517837071. The cubic root of 154049100 is about 536.0678006978.

Adding to 154049100 its reverse (1940451), we get a palindrome (155989551).

The spelling of 154049100 in words is "one hundred fifty-four million, forty-nine thousand, one hundred".