149569045048728 has 64 divisors (see below), whose sum is σ = 415600181224800. Its totient is φ = 49840674952320.

The previous prime is 149569045048711. The next prime is 149569045048741. The reversal of 149569045048728 is 827840540965941.

It is a happy number.

149569045048728 is a `hidden beast` number, since 1 + 4 + 9 + 5 + 6 + 90 + 4 + 50 + 487 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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 in 15 ways as a sum of consecutive naturals, for example, 108154351 + ... + 109528542.

Almost surely, 2^{149569045048728} is an apocalyptic number.

149569045048728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

149569045048728 is an abundant number, since it is smaller than the sum of its proper divisors (266031136176072).

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

149569045048728 is a wasteful number, since it uses less digits than its factorization.

149569045048728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217686089 (or 217686079 counting only the distinct ones).

The product of its (nonzero) digits is 696729600, while the sum is 72.

The spelling of 149569045048728 in words is "one hundred forty-nine trillion, five hundred sixty-nine billion, forty-five million, forty-eight thousand, seven hundred twenty-eight".