154621201 has 8 divisors (see below), whose sum is σ = 178532480. Its totient is φ = 131165568.

The previous prime is 154621199. The next prime is 154621217. The reversal of 154621201 is 102126451.

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 154621201 - 2¹ = 154621199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154625201) 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 7 ways as a sum of consecutive naturals, for example, 113181 + ... + 114538.

It is an arithmetic number, because the mean of its divisors is an integer number (22316560).

Almost surely, 2^154621201 is an apocalyptic number.

It is an amenable number.

154621201 is a deficient number, since it is larger than the sum of its proper divisors (23911279).

154621201 is an equidigital number, since it uses as much as digits as its factorization.

154621201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227823.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 154621201 is about 12434.6773580982. The cubic root of 154621201 is about 536.7305894992.

Adding to 154621201 its reverse (102126451), we get a palindrome (256747652).

The spelling of 154621201 in words is "one hundred fifty-four million, six hundred twenty-one thousand, two hundred one".