149805769536 has 168 divisors, whose sum is σ = 441946125504. Its totient is φ = 48496250880.

The previous prime is 149805769499. The next prime is 149805769573. The reversal of 149805769536 is 635967508941.

149805769536 is a `hidden beast` number, since 1 + 4 + 9 + 8 + 0 + 576 + 9 + 53 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (149805769499) and next prime (149805769573).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2712696 + ... + 2767368.

Almost surely, 2^149805769536 is an apocalyptic number.

149805769536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149805769536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220973062752).

149805769536 is an abundant number, since it is smaller than the sum of its proper divisors (292140355968).

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

149805769536 is a wasteful number, since it uses less digits than its factorization.

149805769536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54829 (or 54816 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 63.

The spelling of 149805769536 in words is "one hundred forty-nine billion, eight hundred five million, seven hundred sixty-nine thousand, five hundred thirty-six".