154001995 has 16 divisors (see below), whose sum is σ = 213258240. Its totient is φ = 104573664.

The previous prime is 154001993. The next prime is 154001999. The reversal of 154001995 is 599100451.

It is a happy number.

154001995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 154001995 - 2¹ = 154001993 is a prime.

It is a super-2 number, since 2×154001995² = 47433228927960050, 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 154001995.

It is not an unprimeable number, because it can be changed into a prime (154001993) 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, 17755 + ... + 24964.

It is an arithmetic number, because the mean of its divisors is an integer number (13328640).

Almost surely, 2^154001995 is an apocalyptic number.

154001995 is a deficient number, since it is larger than the sum of its proper divisors (59256245).

154001995 is a wasteful number, since it uses less digits than its factorization.

154001995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42834.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 154001995 is about 12409.7540265712. The cubic root of 154001995 is about 536.0131556788.

The spelling of 154001995 in words is "one hundred fifty-four million, one thousand, nine hundred ninety-five".