149881470490 has 32 divisors (see below), whose sum is σ = 271882999440. Its totient is φ = 59488333824.

The previous prime is 149881470481. The next prime is 149881470521. The reversal of 149881470490 is 94074188941.

149881470490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 5631151681 + 144250318809 = 75041^2 + 379803^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 650952 + ... + 850588.

Almost surely, 2^149881470490 is an apocalyptic number.

149881470490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149881470490 is a deficient number, since it is larger than the sum of its proper divisors (122001528950).

149881470490 is a wasteful number, since it uses less digits than its factorization.

149881470490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200226.

The product of its (nonzero) digits is 2322432, while the sum is 55.

The spelling of 149881470490 in words is "one hundred forty-nine billion, eight hundred eighty-one million, four hundred seventy thousand, four hundred ninety".