151291218 has 16 divisors (see below), whose sum is σ = 325858176. Its totient is φ = 46551120.

The previous prime is 151291213. The next prime is 151291223. The reversal of 151291218 is 812192151.

It is an interprime number because it is at equal distance from previous prime (151291213) and next prime (151291223).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (151291213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 969738 + ... + 969893.

It is an arithmetic number, because the mean of its divisors is an integer number (20366136).

Almost surely, 2^151291218 is an apocalyptic number.

151291218 is an abundant number, since it is smaller than the sum of its proper divisors (174566958).

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

151291218 is a wasteful number, since it uses less digits than its factorization.

151291218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939649.

The product of its digits is 1440, while the sum is 30.

The square root of 151291218 is about 12300.0495120955. The cubic root of 151291218 is about 532.8495128778.

It can be divided in two parts, 1512912 and 18, that added together give a triangular number (1512930 = T₁₇₃₉).

The spelling of 151291218 in words is "one hundred fifty-one million, two hundred ninety-one thousand, two hundred eighteen".