149851761864028 has 96 divisors (see below), whose sum is σ = 308594747704320. Its totient is φ = 62351847290880.

The previous prime is 149851761863981. The next prime is 149851761864029. The reversal of 149851761864028 is 820468167158941.

It is a super-3 number, since 3×149851761864028³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149851761864029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33199500 + ... + 37442092.

It is an arithmetic number, because the mean of its divisors is an integer number (3214528621920).

Almost surely, 2^{149851761864028} is an apocalyptic number.

It is an amenable number.

149851761864028 is an abundant number, since it is smaller than the sum of its proper divisors (158742985840292).

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

149851761864028 is a wasteful number, since it uses less digits than its factorization.

149851761864028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4242947 (or 4242945 counting only the distinct ones).

The product of its (nonzero) digits is 185794560, while the sum is 70.

The spelling of 149851761864028 in words is "one hundred forty-nine trillion, eight hundred fifty-one billion, seven hundred sixty-one million, eight hundred sixty-four thousand, twenty-eight".