149790870 has 80 divisors (see below), whose sum is σ = 424013040. Its totient is φ = 37838016.

The previous prime is 149790869. The next prime is 149790877. The reversal of 149790870 is 78097941.

149790870 is a `hidden beast` number, since 1 + 497 + 90 + 8 + 70 = 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 (149790877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10524 + ... + 20256.

It is an arithmetic number, because the mean of its divisors is an integer number (5300163).

Almost surely, 2^149790870 is an apocalyptic number.

149790870 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 149790870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212006520).

149790870 is an abundant number, since it is smaller than the sum of its proper divisors (274222170).

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

149790870 is a wasteful number, since it uses less digits than its factorization.

149790870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9771 (or 9762 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 149790870 is about 12238.9080395271. The cubic root of 149790870 is about 531.0822433179.

The spelling of 149790870 in words is "one hundred forty-nine million, seven hundred ninety thousand, eight hundred seventy".