153955801 has 2 divisors, whose sum is σ = 153955802. Its totient is φ = 153955800.

The previous prime is 153955777. The next prime is 153955807. The reversal of 153955801 is 108559351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106069401 + 47886400 = 10299^2 + 6920^2 .

It is a cyclic number.

It is not a de Polignac number, because 153955801 - 2⁷ = 153955673 is a prime.

It is not a weakly prime, because it can be changed into another prime (153955807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76977900 + 76977901.

It is an arithmetic number, because the mean of its divisors is an integer number (76977901).

Almost surely, 2^153955801 is an apocalyptic number.

It is an amenable number.

153955801 is a deficient number, since it is larger than the sum of its proper divisors (1).

153955801 is an equidigital number, since it uses as much as digits as its factorization.

153955801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 37.

The square root of 153955801 is about 12407.8926897358. The cubic root of 153955801 is about 535.9595566592.

The spelling of 153955801 in words is "one hundred fifty-three million, nine hundred fifty-five thousand, eight hundred one".