154842041 has 2 divisors, whose sum is σ = 154842042. Its totient is φ = 154842040.

The previous prime is 154842029. The next prime is 154842043. The reversal of 154842041 is 140248451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152893225 + 1948816 = 12365^2 + 1396^2 .

It is a cyclic number.

It is not a de Polignac number, because 154842041 - 2⁶ = 154841977 is a prime.

It is a super-2 number, since 2×154842041² = 47952115322091362, which contains 22 as substring.

Together with 154842043, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 154841995 and 154842013.

It is not a weakly prime, because it can be changed into another prime (154842043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77421020 + 77421021.

It is an arithmetic number, because the mean of its divisors is an integer number (77421021).

Almost surely, 2^154842041 is an apocalyptic number.

It is an amenable number.

154842041 is a deficient number, since it is larger than the sum of its proper divisors (1).

154842041 is an equidigital number, since it uses as much as digits as its factorization.

154842041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 154842041 is about 12443.5541948432. The cubic root of 154842041 is about 536.9859990547.

The spelling of 154842041 in words is "one hundred fifty-four million, eight hundred forty-two thousand, forty-one".