154041457 has 2 divisors, whose sum is σ = 154041458. Its totient is φ = 154041456.

The previous prime is 154041439. The next prime is 154041497. The reversal of 154041457 is 754140451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89415936 + 64625521 = 9456^2 + 8039^2 .

It is a cyclic number.

It is not a de Polignac number, because 154041457 - 2¹¹ = 154039409 is a prime.

It is not a weakly prime, because it can be changed into another prime (154041497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77020728 + 77020729.

It is an arithmetic number, because the mean of its divisors is an integer number (77020729).

Almost surely, 2^154041457 is an apocalyptic number.

It is an amenable number.

154041457 is a deficient number, since it is larger than the sum of its proper divisors (1).

154041457 is an equidigital number, since it uses as much as digits as its factorization.

154041457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 154041457 is about 12411.3438837219. The cubic root of 154041457 is about 536.0589350527.

It can be divided in two parts, 15404 and 1457, that added together give a palindrome (16861).

The spelling of 154041457 in words is "one hundred fifty-four million, forty-one thousand, four hundred fifty-seven".