149212402752 has 112 divisors (see below), whose sum is σ = 452796688512. Its totient is φ = 42480291840.

The previous prime is 149212402747. The next prime is 149212402763. The reversal of 149212402752 is 257204212941.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×149212402752² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 149212402752.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180118 + ... + 575210.

It is an arithmetic number, because the mean of its divisors is an integer number (4042827576).

Almost surely, 2^149212402752 is an apocalyptic number.

149212402752 is a gapful number since it is divisible by the number (12) 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 149212402752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226398344256).

149212402752 is an abundant number, since it is smaller than the sum of its proper divisors (303584285760).

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

149212402752 is a wasteful number, since it uses less digits than its factorization.

149212402752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395396 (or 395386 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 149212402752 in words is "one hundred forty-nine billion, two hundred twelve million, four hundred two thousand, seven hundred fifty-two".