151778056 has 16 divisors (see below), whose sum is σ = 284729040. Its totient is φ = 75850320.

The previous prime is 151778051. The next prime is 151778069. The reversal of 151778056 is 650877151.

It is not an unprimeable number, because it can be changed into a prime (151778051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18375 + ... + 25321.

It is an arithmetic number, because the mean of its divisors is an integer number (17795565).

Almost surely, 2^151778056 is an apocalyptic number.

It is an amenable number.

151778056 is a deficient number, since it is larger than the sum of its proper divisors (132950984).

151778056 is a wasteful number, since it uses less digits than its factorization.

151778056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9684 (or 9680 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 40.

The square root of 151778056 is about 12319.8237000373. The cubic root of 151778056 is about 533.4204506996.

The spelling of 151778056 in words is "one hundred fifty-one million, seven hundred seventy-eight thousand, fifty-six".