149530832450 has 24 divisors (see below), whose sum is σ = 285644307252. Its totient is φ = 58195782720.

The previous prime is 149530832411. The next prime is 149530832459. The reversal of 149530832450 is 54238035941.

It can be written as a sum of positive squares in 6 ways, for example, as 93778650289 + 55752182161 = 306233^2 + 236119^2 .

It is not an unprimeable number, because it can be changed into a prime (149530832459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40411889 + ... + 40415588.

Almost surely, 2^149530832450 is an apocalyptic number.

149530832450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149530832450 is a deficient number, since it is larger than the sum of its proper divisors (136113474802).

149530832450 is a wasteful number, since it uses less digits than its factorization.

149530832450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80827526 (or 80827521 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 149530832450 in words is "one hundred forty-nine billion, five hundred thirty million, eight hundred thirty-two thousand, four hundred fifty".