154038901 has 2 divisors, whose sum is σ = 154038902. Its totient is φ = 154038900.

The previous prime is 154038893. The next prime is 154038917. The reversal of 154038901 is 109830451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139216401 + 14822500 = 11799^2 + 3850^2 .

It is a cyclic number.

It is not a de Polignac number, because 154038901 - 2³ = 154038893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154038961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77019450 + 77019451.

It is an arithmetic number, because the mean of its divisors is an integer number (77019451).

Almost surely, 2^154038901 is an apocalyptic number.

It is an amenable number.

154038901 is a deficient number, since it is larger than the sum of its proper divisors (1).

154038901 is an equidigital number, since it uses as much as digits as its factorization.

154038901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 154038901 is about 12411.2409129788. The cubic root of 154038901 is about 536.0559701058.

The spelling of 154038901 in words is "one hundred fifty-four million, thirty-eight thousand, nine hundred one".