154956413 has 2 divisors, whose sum is σ = 154956414. Its totient is φ = 154956412.

The previous prime is 154956401. The next prime is 154956421. The reversal of 154956413 is 314659451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154828249 + 128164 = 12443^2 + 358^2 .

It is an emirp because it is prime and its reverse (314659451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 154956413 - 2⁸ = 154956157 is a prime.

It is a super-2 number, since 2×154956413² = 48022979859653138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154956463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77478206 + 77478207.

It is an arithmetic number, because the mean of its divisors is an integer number (77478207).

Almost surely, 2^154956413 is an apocalyptic number.

It is an amenable number.

154956413 is a deficient number, since it is larger than the sum of its proper divisors (1).

154956413 is an equidigital number, since it uses as much as digits as its factorization.

154956413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 38.

The square root of 154956413 is about 12448.1489788643. The cubic root of 154956413 is about 537.1181790214.

The spelling of 154956413 in words is "one hundred fifty-four million, nine hundred fifty-six thousand, four hundred thirteen".