155216514 has 32 divisors (see below), whose sum is σ = 315659520. Its totient is φ = 50873472.

The previous prime is 155216483. The next prime is 155216519. The reversal of 155216514 is 415612551.

It is not an unprimeable number, because it can be changed into a prime (155216519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149742 + ... + 150774.

It is an arithmetic number, because the mean of its divisors is an integer number (9864360).

Almost surely, 2^155216514 is an apocalyptic number.

155216514 is an abundant number, since it is smaller than the sum of its proper divisors (160443006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155216514 is a wasteful number, since it uses less digits than its factorization.

155216514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434.

The product of its digits is 6000, while the sum is 30.

The square root of 155216514 is about 12458.5919750187. The cubic root of 155216514 is about 537.4185363470.

The spelling of 155216514 in words is "one hundred fifty-five million, two hundred sixteen thousand, five hundred fourteen".