154190085 has 32 divisors (see below), whose sum is σ = 298536192. Its totient is φ = 66339840.

The previous prime is 154190077. The next prime is 154190087. The reversal of 154190085 is 580091451.

It is not a de Polignac number, because 154190085 - 2³ = 154190077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154190087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41406 + ... + 44975.

It is an arithmetic number, because the mean of its divisors is an integer number (9329256).

Almost surely, 2^154190085 is an apocalyptic number.

154190085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

154190085 is a deficient number, since it is larger than the sum of its proper divisors (144346107).

154190085 is a wasteful number, since it uses less digits than its factorization.

154190085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86413.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 154190085 is about 12417.3300270227. The cubic root of 154190085 is about 536.2312863971.

The spelling of 154190085 in words is "one hundred fifty-four million, one hundred ninety thousand, eighty-five".