151493722228 has 6 divisors (see below), whose sum is σ = 265114013906. Its totient is φ = 75746861112.

The previous prime is 151493722183. The next prime is 151493722243. The reversal of 151493722228 is 822227394151.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 92877438564 + 58616283664 = 304758^2 + 242108^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 18936715275 + ... + 18936715282.

Almost surely, 2^151493722228 is an apocalyptic number.

It is an amenable number.

151493722228 is a deficient number, since it is larger than the sum of its proper divisors (113620291678).

151493722228 is a wasteful number, since it uses less digits than its factorization.

151493722228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37873430561 (or 37873430559 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The spelling of 151493722228 in words is "one hundred fifty-one billion, four hundred ninety-three million, seven hundred twenty-two thousand, two hundred twenty-eight".