151521198 has 16 divisors (see below), whose sum is σ = 303201360. Its totient is φ = 50480576.

The previous prime is 151521197. The next prime is 151521203. The reversal of 151521198 is 891125151.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151521193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8386 + ... + 19322.

It is an arithmetic number, because the mean of its divisors is an integer number (18950085).

Almost surely, 2^151521198 is an apocalyptic number.

151521198 is an abundant number, since it is smaller than the sum of its proper divisors (151680162).

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

151521198 is a wasteful number, since it uses less digits than its factorization.

151521198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13251.

The product of its digits is 3600, while the sum is 33.

The square root of 151521198 is about 12309.3947048586. The cubic root of 151521198 is about 533.1193736381.

The spelling of 151521198 in words is "one hundred fifty-one million, five hundred twenty-one thousand, one hundred ninety-eight".