148019989490 has 8 divisors (see below), whose sum is σ = 266435981100. Its totient is φ = 59207995792.

The previous prime is 148019989489. The next prime is 148019989493. The reversal of 148019989490 is 94989910841.

148019989490 is digitally balanced in base 3, 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 2 ways, for example, as 147685721401 + 334268089 = 384299^2 + 18283^2 .

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

It is not an unprimeable number, because it can be changed into a prime (148019989493) 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, 7400999465 + ... + 7400999484.

Almost surely, 2^148019989490 is an apocalyptic number.

148019989490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148019989490 is a deficient number, since it is larger than the sum of its proper divisors (118415991610).

148019989490 is a wasteful number, since it uses less digits than its factorization.

148019989490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14801998956.

The product of its (nonzero) digits is 6718464, while the sum is 62.

The spelling of 148019989490 in words is "one hundred forty-eight billion, nineteen million, nine hundred eighty-nine thousand, four hundred ninety".