155250143 has 2 divisors, whose sum is σ = 155250144. Its totient is φ = 155250142.

The previous prime is 155250131. The next prime is 155250169. The reversal of 155250143 is 341052551.

It is an a-pointer prime, because the next prime (155250169) can be obtained adding 155250143 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155250143 - 2¹⁶ = 155184607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155250643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77625071 + 77625072.

It is an arithmetic number, because the mean of its divisors is an integer number (77625072).

Almost surely, 2^155250143 is an apocalyptic number.

155250143 is a deficient number, since it is larger than the sum of its proper divisors (1).

155250143 is an equidigital number, since it uses as much as digits as its factorization.

155250143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 155250143 is about 12459.9415327681. The cubic root of 155250143 is about 537.4573456687.

The spelling of 155250143 in words is "one hundred fifty-five million, two hundred fifty thousand, one hundred forty-three".