149711530 has 32 divisors (see below), whose sum is σ = 273881088. Its totient is φ = 58915200.

The previous prime is 149711521. The next prime is 149711561. The reversal of 149711530 is 35117941.

149711530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 149711492 and 149711501.

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, 196350 + ... + 197110.

It is an arithmetic number, because the mean of its divisors is an integer number (8558784).

Almost surely, 2^149711530 is an apocalyptic number.

149711530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149711530 is a deficient number, since it is larger than the sum of its proper divisors (124169558).

149711530 is a wasteful number, since it uses less digits than its factorization.

149711530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 149711530 is about 12235.6663079703. Note that the first 3 decimals coincide. The cubic root of 149711530 is about 530.9884603283.

The spelling of 149711530 in words is "one hundred forty-nine million, seven hundred eleven thousand, five hundred thirty".