154540000 has 60 divisors (see below), whose sum is σ = 380240784. Its totient is φ = 61808000.

The previous prime is 154539961. The next prime is 154540033. The reversal of 154540000 is 45451.

It is a super-2 number, since 2×154540000² = 47765223200000000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 154540000.

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 16137 + ... + 23863.

Almost surely, 2^154540000 is an apocalyptic number.

154540000 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 154540000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190120392).

154540000 is an abundant number, since it is smaller than the sum of its proper divisors (225700784).

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

154540000 is an frugal number, since it uses more digits than its factorization.

154540000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7757 (or 7734 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 154540000 is about 12431.4118264982. The cubic root of 154540000 is about 536.6366164177.

Adding to 154540000 its reverse (45451), we get a palindrome (154585451).

The spelling of 154540000 in words is "one hundred fifty-four million, five hundred forty thousand".