151452217818 has 48 divisors (see below), whose sum is σ = 358413322176. Its totient is φ = 45838797120.

The previous prime is 151452217661. The next prime is 151452217831. The reversal of 151452217818 is 818712254151.

151452217818 is a `hidden beast` number, since 1 + 51 + 4 + 522 + 1 + 78 + 1 + 8 = 666.

It is a super-2 number, since 2×151452217818² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 301755 + ... + 627662.

It is an arithmetic number, because the mean of its divisors is an integer number (7466944212).

Almost surely, 2^151452217818 is an apocalyptic number.

151452217818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

151452217818 is an abundant number, since it is smaller than the sum of its proper divisors (206961104358).

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

151452217818 is a wasteful number, since it uses less digits than its factorization.

151452217818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930259 (or 930256 counting only the distinct ones).

The product of its digits is 179200, while the sum is 45.

The spelling of 151452217818 in words is "one hundred fifty-one billion, four hundred fifty-two million, two hundred seventeen thousand, eight hundred eighteen".