155959214 has 4 divisors (see below), whose sum is σ = 233938824. Its totient is φ = 77979606.

The previous prime is 155959213. The next prime is 155959229. The reversal of 155959214 is 412959551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 412959551 = 3643 ⋅113357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155959213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38989802 + ... + 38989805.

It is an arithmetic number, because the mean of its divisors is an integer number (58484706).

Almost surely, 2^155959214 is an apocalyptic number.

155959214 is a deficient number, since it is larger than the sum of its proper divisors (77979610).

155959214 is an equidigital number, since it uses as much as digits as its factorization.

155959214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77979609.

The product of its digits is 81000, while the sum is 41.

The square root of 155959214 is about 12488.3631433427. The cubic root of 155959214 is about 538.2743426517.

The spelling of 155959214 in words is "one hundred fifty-five million, nine hundred fifty-nine thousand, two hundred fourteen".