154120141 has 12 divisors (see below), whose sum is σ = 179499612. Its totient is φ = 131943168.

The previous prime is 154120121. The next prime is 154120159. The reversal of 154120141 is 141021451.

It can be written as a sum of positive squares in 2 ways, for example, as 41654116 + 112466025 = 6454^2 + 10605^2 .

It is not a de Polignac number, because 154120141 - 2⁷ = 154120013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154120111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58141 + ... + 60733.

It is an arithmetic number, because the mean of its divisors is an integer number (14958301).

Almost surely, 2^154120141 is an apocalyptic number.

It is an amenable number.

154120141 is a deficient number, since it is larger than the sum of its proper divisors (25379471).

154120141 is a wasteful number, since it uses less digits than its factorization.

154120141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3820 (or 3813 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 154120141 is about 12414.5133211093. The cubic root of 154120141 is about 536.1501920480.

Adding to 154120141 its reverse (141021451), we get a palindrome (295141592).

It can be divided in two parts, 154 and 120141, that added together give a triangular number (120295 = T₄₉₀).

The spelling of 154120141 in words is "one hundred fifty-four million, one hundred twenty thousand, one hundred forty-one".