151783280 has 80 divisors (see below), whose sum is σ = 387591264. Its totient is φ = 54819840.

The previous prime is 151783277. The next prime is 151783297. The reversal of 151783280 is 82387151.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 151783280.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151742 + ... + 152738.

Almost surely, 2^151783280 is an apocalyptic number.

151783280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151783280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193795632).

151783280 is an abundant number, since it is smaller than the sum of its proper divisors (235807984).

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

151783280 is a wasteful number, since it uses less digits than its factorization.

151783280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194 (or 1188 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 151783280 is about 12320.0357142339. The cubic root of 151783280 is about 533.4265705049.

The spelling of 151783280 in words is "one hundred fifty-one million, seven hundred eighty-three thousand, two hundred eighty".