155050157 has 2 divisors, whose sum is σ = 155050158. Its totient is φ = 155050156.

The previous prime is 155050141. The next prime is 155050177. The reversal of 155050157 is 751050551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107453956 + 47596201 = 10366^2 + 6899^2 .

It is a cyclic number.

It is not a de Polignac number, because 155050157 - 2⁴ = 155050141 is a prime.

It is equal to p_8712209 and since 155050157 and 8712209 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155050117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77525078 + 77525079.

It is an arithmetic number, because the mean of its divisors is an integer number (77525079).

Almost surely, 2^155050157 is an apocalyptic number.

It is an amenable number.

155050157 is a deficient number, since it is larger than the sum of its proper divisors (1).

155050157 is an equidigital number, since it uses as much as digits as its factorization.

155050157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4375, while the sum is 29.

The square root of 155050157 is about 12451.9137886511. The cubic root of 155050157 is about 537.2264706699.

The spelling of 155050157 in words is "one hundred fifty-five million, fifty thousand, one hundred fifty-seven".