151516550 has 12 divisors (see below), whose sum is σ = 281820876. Its totient is φ = 60606600.

The previous prime is 151516523. The next prime is 151516553. The reversal of 151516550 is 55615151.

It is a happy number.

151516550 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151516553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1515116 + ... + 1515215.

It is an arithmetic number, because the mean of its divisors is an integer number (23485073).

Almost surely, 2^151516550 is an apocalyptic number.

151516550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151516550 is a deficient number, since it is larger than the sum of its proper divisors (130304326).

151516550 is a wasteful number, since it uses less digits than its factorization.

151516550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030343 (or 3030338 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 29.

The square root of 151516550 is about 12309.2059045253. The cubic root of 151516550 is about 533.1139223345.

The spelling of 151516550 in words is "one hundred fifty-one million, five hundred sixteen thousand, five hundred fifty".