149810530 has 8 divisors (see below), whose sum is σ = 269658972. Its totient is φ = 59924208.

The previous prime is 149810519. The next prime is 149810533. The reversal of 149810530 is 35018941.

It can be written as a sum of positive squares in 2 ways, for example, as 140019889 + 9790641 = 11833^2 + 3129^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 149810492 and 149810501.

It is not an unprimeable number, because it can be changed into a prime (149810533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7490517 + ... + 7490536.

Almost surely, 2^149810530 is an apocalyptic number.

149810530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149810530 is a deficient number, since it is larger than the sum of its proper divisors (119848442).

149810530 is a wasteful number, since it uses less digits than its factorization.

149810530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14981060.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 149810530 is about 12239.7111894031. The cubic root of 149810530 is about 531.1054770885.

The spelling of 149810530 in words is "one hundred forty-nine million, eight hundred ten thousand, five hundred thirty".