280151245 has 32 divisors (see below), whose sum is σ = 392221440. Its totient is φ = 189834240.

The previous prime is 280151239. The next prime is 280151323. The reversal of 280151245 is 542151082.

It is not a de Polignac number, because 280151245 - 2⁵ = 280151213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94851 + ... + 97759.

It is an arithmetic number, because the mean of its divisors is an integer number (12256920).

Almost surely, 2^280151245 is an apocalyptic number.

It is an amenable number.

280151245 is a deficient number, since it is larger than the sum of its proper divisors (112070195).

280151245 is a wasteful number, since it uses less digits than its factorization.

280151245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3045.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 280151245 is about 16737.7192293335. The cubic root of 280151245 is about 654.3310342693.

It can be divided in two parts, 280 and 151245, that added together give a triangular number (151525 = T₅₅₀).

The spelling of 280151245 in words is "two hundred eighty million, one hundred fifty-one thousand, two hundred forty-five".