149831439030 has 288 divisors, whose sum is σ = 489669564384. Its totient is φ = 31506112512.

The previous prime is 149831439019. The next prime is 149831439031. The reversal of 149831439030 is 30934138941.

149831439030 is a `hidden beast` number, since 1 + 498 + 3 + 1 + 43 + 90 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149831439031) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 17596054 + ... + 17604566.

It is an arithmetic number, because the mean of its divisors is an integer number (1700241543).

Almost surely, 2^149831439030 is an apocalyptic number.

149831439030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 149831439030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244834782192).

149831439030 is an abundant number, since it is smaller than the sum of its proper divisors (339838125354).

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

149831439030 is a wasteful number, since it uses less digits than its factorization.

149831439030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8860 (or 8850 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 149831439030 in words is "one hundred forty-nine billion, eight hundred thirty-one million, four hundred thirty-nine thousand, thirty".