154499941 has 2 divisors, whose sum is σ = 154499942. Its totient is φ = 154499940.

The previous prime is 154499909. The next prime is 154499977. The reversal of 154499941 is 149994451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98922916 + 55577025 = 9946^2 + 7455^2 .

It is a cyclic number.

It is not a de Polignac number, because 154499941 - 2⁵ = 154499909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154499891 and 154499900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154499041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77249970 + 77249971.

It is an arithmetic number, because the mean of its divisors is an integer number (77249971).

Almost surely, 2^154499941 is an apocalyptic number.

It is an amenable number.

154499941 is a deficient number, since it is larger than the sum of its proper divisors (1).

154499941 is an equidigital number, since it uses as much as digits as its factorization.

154499941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 46.

The square root of 154499941 is about 12429.8005213278. The cubic root of 154499941 is about 536.5902444235.

The spelling of 154499941 in words is "one hundred fifty-four million, four hundred ninety-nine thousand, nine hundred forty-one".