154801085 has 4 divisors (see below), whose sum is σ = 185761308. Its totient is φ = 123840864.

The previous prime is 154801057. The next prime is 154801093. The reversal of 154801085 is 580108451.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 87347716 + 67453369 = 9346^2 + 8213^2 .

It is a cyclic number.

It is not a de Polignac number, because 154801085 - 2⁸ = 154800829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15480104 + ... + 15480113.

It is an arithmetic number, because the mean of its divisors is an integer number (46440327).

Almost surely, 2^154801085 is an apocalyptic number.

It is an amenable number.

154801085 is a deficient number, since it is larger than the sum of its proper divisors (30960223).

154801085 is an equidigital number, since it uses as much as digits as its factorization.

154801085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30960222.

The product of its (nonzero) digits is 6400, while the sum is 32.

The square root of 154801085 is about 12441.9084147087. The cubic root of 154801085 is about 536.9386502904.

The spelling of 154801085 in words is "one hundred fifty-four million, eight hundred one thousand, eighty-five".