154125497 has 2 divisors, whose sum is σ = 154125498. Its totient is φ = 154125496.

The previous prime is 154125481. The next prime is 154125533. The reversal of 154125497 is 794521451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149719696 + 4405801 = 12236^2 + 2099^2 .

It is a cyclic number.

It is not a de Polignac number, because 154125497 - 2⁴ = 154125481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 154125497.

It is not a weakly prime, because it can be changed into another prime (154125457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77062748 + 77062749.

It is an arithmetic number, because the mean of its divisors is an integer number (77062749).

Almost surely, 2^154125497 is an apocalyptic number.

It is an amenable number.

154125497 is a deficient number, since it is larger than the sum of its proper divisors (1).

154125497 is an equidigital number, since it uses as much as digits as its factorization.

154125497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 38.

The square root of 154125497 is about 12414.7290344977. The cubic root of 154125497 is about 536.1564027595.

The spelling of 154125497 in words is "one hundred fifty-four million, one hundred twenty-five thousand, four hundred ninety-seven".