149430179844 has 81 divisors (see below), whose sum is σ = 415257645621. Its totient is φ = 45274141440.

The previous prime is 149430179839. The next prime is 149430179849. The reversal of 149430179844 is 448971034941.

The square root of 149430179844 is 386562.

It is a perfect power (a square), and thus also a powerful number.

149430179844 is a `hidden beast` number, since 1 + 494 + 3 + 0 + 1 + 79 + 84 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (149430179839) and next prime (149430179849).

It can be written as a sum of positive squares in only one way, i.e., 141278256900 + 8151922944 = 375870^2 + 90288^2 .

It is not an unprimeable number, because it can be changed into a prime (149430179849) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 25510164 + ... + 25516020.

Almost surely, 2^149430179844 is an apocalyptic number.

149430179844 is the 386562-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149430179844

149430179844 is an abundant number, since it is smaller than the sum of its proper divisors (265827465777).

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

149430179844 is an equidigital number, since it uses as much as digits as its factorization.

149430179844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11746 (or 5873 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 149430179844 in words is "one hundred forty-nine billion, four hundred thirty million, one hundred seventy-nine thousand, eight hundred forty-four".