156010381 has 2 divisors, whose sum is σ = 156010382. Its totient is φ = 156010380.

The previous prime is 156010307. The next prime is 156010409. The reversal of 156010381 is 183010651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101324356 + 54686025 = 10066^2 + 7395^2 .

It is a cyclic number.

It is not a de Polignac number, because 156010381 - 2⁹ = 156009869 is a prime.

It is a super-2 number, since 2×156010381² = 48678477959530322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (156013381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78005190 + 78005191.

It is an arithmetic number, because the mean of its divisors is an integer number (78005191).

Almost surely, 2^156010381 is an apocalyptic number.

It is an amenable number.

156010381 is a deficient number, since it is larger than the sum of its proper divisors (1).

156010381 is an equidigital number, since it uses as much as digits as its factorization.

156010381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 156010381 is about 12490.4115624746. The cubic root of 156010381 is about 538.3332017836. Note that the first 3 decimals are identical.

The spelling of 156010381 in words is "one hundred fifty-six million, ten thousand, three hundred eighty-one".