154540101 has 8 divisors (see below), whose sum is σ = 213158880. Its totient is φ = 99474032.

The previous prime is 154540097. The next prime is 154540147. The reversal of 154540101 is 101045451.

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

It is a cyclic number.

It is not a de Polignac number, because 154540101 - 2² = 154540097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154540171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 888075 + ... + 888248.

It is an arithmetic number, because the mean of its divisors is an integer number (26644860).

Almost surely, 2^154540101 is an apocalyptic number.

It is an amenable number.

154540101 is a deficient number, since it is larger than the sum of its proper divisors (58618779).

154540101 is a wasteful number, since it uses less digits than its factorization.

154540101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776355.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 154540101 is about 12431.4158887876. The cubic root of 154540101 is about 536.6367333244.

Adding to 154540101 its reverse (101045451), we get a palindrome (255585552).

The spelling of 154540101 in words is "one hundred fifty-four million, five hundred forty thousand, one hundred one".