154550141 has 2 divisors, whose sum is σ = 154550142. Its totient is φ = 154550140.

The previous prime is 154550131. The next prime is 154550177. The reversal of 154550141 is 141055451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138180025 + 16370116 = 11755^2 + 4046^2 .

It is a cyclic number.

It is not a de Polignac number, because 154550141 - 2¹⁰ = 154549117 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 154550141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154550131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77275070 + 77275071.

It is an arithmetic number, because the mean of its divisors is an integer number (77275071).

Almost surely, 2^154550141 is an apocalyptic number.

It is an amenable number.

154550141 is a deficient number, since it is larger than the sum of its proper divisors (1).

154550141 is an equidigital number, since it uses as much as digits as its factorization.

154550141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 154550141 is about 12431.8196978560. The cubic root of 154550141 is about 536.6483542911.

The spelling of 154550141 in words is "one hundred fifty-four million, five hundred fifty thousand, one hundred forty-one".