154926461 has 2 divisors, whose sum is σ = 154926462. Its totient is φ = 154926460.

The previous prime is 154926451. The next prime is 154926467. The reversal of 154926461 is 164629451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144240100 + 10686361 = 12010^2 + 3269^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154926461 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_8705657 and since 154926461 and 8705657 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154926467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77463230 + 77463231.

It is an arithmetic number, because the mean of its divisors is an integer number (77463231).

Almost surely, 2^154926461 is an apocalyptic number.

It is an amenable number.

154926461 is a deficient number, since it is larger than the sum of its proper divisors (1).

154926461 is an equidigital number, since it uses as much as digits as its factorization.

154926461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 154926461 is about 12446.9458502879. The cubic root of 154926461 is about 537.0835697184.

The spelling of 154926461 in words is "one hundred fifty-four million, nine hundred twenty-six thousand, four hundred sixty-one".