155942867 has 2 divisors, whose sum is σ = 155942868. Its totient is φ = 155942866.

The previous prime is 155942837. The next prime is 155942879. The reversal of 155942867 is 768249551.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (768249551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 155942867 - 2²² = 151748563 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (155942837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77971433 + 77971434.

It is an arithmetic number, because the mean of its divisors is an integer number (77971434).

Almost surely, 2^155942867 is an apocalyptic number.

155942867 is a deficient number, since it is larger than the sum of its proper divisors (1).

155942867 is an equidigital number, since it uses as much as digits as its factorization.

155942867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 47.

The square root of 155942867 is about 12487.7086368957. The cubic root of 155942867 is about 538.2555354309.

The spelling of 155942867 in words is "one hundred fifty-five million, nine hundred forty-two thousand, eight hundred sixty-seven".