155090107 has 2 divisors, whose sum is σ = 155090108. Its totient is φ = 155090106.

The previous prime is 155090069. The next prime is 155090119. The reversal of 155090107 is 701090551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155090107 - 2¹⁵ = 155057339 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (155090147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77545053 + 77545054.

It is an arithmetic number, because the mean of its divisors is an integer number (77545054).

Almost surely, 2^155090107 is an apocalyptic number.

155090107 is a deficient number, since it is larger than the sum of its proper divisors (1).

155090107 is an equidigital number, since it uses as much as digits as its factorization.

155090107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1575, while the sum is 28.

The square root of 155090107 is about 12453.5178564131. The cubic root of 155090107 is about 537.2726070404.

The spelling of 155090107 in words is "one hundred fifty-five million, ninety thousand, one hundred seven".