154013705 has 4 divisors (see below), whose sum is σ = 184816452. Its totient is φ = 123210960.

The previous prime is 154013663. The next prime is 154013723. The reversal of 154013705 is 507310451.

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 112126921 + 41886784 = 10589^2 + 6472^2 .

It is a de Polignac number, because none of the positive numbers 2^k-154013705 is a prime.

It is a Duffinian 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, 15401366 + ... + 15401375.

It is an arithmetic number, because the mean of its divisors is an integer number (46204113).

Almost surely, 2^154013705 is an apocalyptic number.

It is an amenable number.

154013705 is a deficient number, since it is larger than the sum of its proper divisors (30802747).

154013705 is an equidigital number, since it uses as much as digits as its factorization.

154013705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30802746.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 154013705 is about 12410.2258238922. The cubic root of 154013705 is about 536.0267411196.

The spelling of 154013705 in words is "one hundred fifty-four million, thirteen thousand, seven hundred five".