155301401 has 2 divisors, whose sum is σ = 155301402. Its totient is φ = 155301400.

The previous prime is 155301379. The next prime is 155301431. The reversal of 155301401 is 104103551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87403801 + 67897600 = 9349^2 + 8240^2 .

It is a cyclic number.

It is not a de Polignac number, because 155301401 - 2¹⁰ = 155300377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (155301431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77650700 + 77650701.

It is an arithmetic number, because the mean of its divisors is an integer number (77650701).

Almost surely, 2^155301401 is an apocalyptic number.

It is an amenable number.

155301401 is a deficient number, since it is larger than the sum of its proper divisors (1).

155301401 is an equidigital number, since it uses as much as digits as its factorization.

155301401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 155301401 is about 12461.9982747551. The cubic root of 155301401 is about 537.5164888398.

Adding to 155301401 its reverse (104103551), we get a palindrome (259404952).

The spelling of 155301401 in words is "one hundred fifty-five million, three hundred one thousand, four hundred one".