154001001 has 16 divisors (see below), whose sum is σ = 256002048. Its totient is φ = 80000400.

The previous prime is 154000981. The next prime is 154001047. The reversal of 154001001 is 100100451.

It is a happy number.

It is not a de Polignac number, because 154001001 - 2⁵ = 154000969 is a prime.

154001001 is a modest number, since divided by 1001 gives 154 as remainder.

It is not an unprimeable number, because it can be changed into a prime (154000001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333105 + ... + 333566.

It is an arithmetic number, because the mean of its divisors is an integer number (16000128).

Almost surely, 2^154001001 is an apocalyptic number.

154001001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

154001001 is a deficient number, since it is larger than the sum of its proper divisors (102001047).

154001001 is a wasteful number, since it uses less digits than its factorization.

154001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666692.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 154001001 is about 12409.7139773647. The cubic root of 154001001 is about 536.0120024508.

Adding to 154001001 its reverse (100100451), we get a palindrome (254101452).

The spelling of 154001001 in words is "one hundred fifty-four million, one thousand, one".