156143149 has 2 divisors, whose sum is σ = 156143150. Its totient is φ = 156143148.

The previous prime is 156143123. The next prime is 156143153. The reversal of 156143149 is 941341651.

156143149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137592900 + 18550249 = 11730^2 + 4307^2 .

It is a cyclic number.

It is not a de Polignac number, because 156143149 - 2¹¹ = 156141101 is a prime.

It is equal to p_8770273 and since 156143149 and 8770273 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 (156143189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78071574 + 78071575.

It is an arithmetic number, because the mean of its divisors is an integer number (78071575).

Almost surely, 2^156143149 is an apocalyptic number.

It is an amenable number.

156143149 is a deficient number, since it is larger than the sum of its proper divisors (1).

156143149 is an equidigital number, since it uses as much as digits as its factorization.

156143149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 34.

The square root of 156143149 is about 12495.7252290533. The cubic root of 156143149 is about 538.4858693103.

It can be divided in two parts, 15614 and 3149, that multiplied together give a triangular number (49168486 = T₉₉₁₆).

The spelling of 156143149 in words is "one hundred fifty-six million, one hundred forty-three thousand, one hundred forty-nine".