151995798 has 64 divisors (see below), whose sum is σ = 351141120. Its totient is φ = 48698496.

The previous prime is 151995797. The next prime is 151995803. The reversal of 151995798 is 897599151.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151995797) by changing a digit.

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, 155086 + ... + 156062.

It is an arithmetic number, because the mean of its divisors is an integer number (5486580).

Almost surely, 2^151995798 is an apocalyptic number.

151995798 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 151995798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175570560).

151995798 is an abundant number, since it is smaller than the sum of its proper divisors (199145322).

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

151995798 is a wasteful number, since it uses less digits than its factorization.

151995798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098 (or 1092 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 54.

The square root of 151995798 is about 12328.6575911573. The cubic root of 151995798 is about 533.6754118816.

The spelling of 151995798 in words is "one hundred fifty-one million, nine hundred ninety-five thousand, seven hundred ninety-eight".