148540398990 has 16 divisors (see below), whose sum is σ = 356496957648. Its totient is φ = 39610773056.

The previous prime is 148540398977. The next prime is 148540399031. The reversal of 148540398990 is 99893045841.

148540398990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2475673287 + ... + 2475673346.

It is an arithmetic number, because the mean of its divisors is an integer number (22281059853).

Almost surely, 2^148540398990 is an apocalyptic number.

148540398990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148540398990 is an abundant number, since it is smaller than the sum of its proper divisors (207956558658).

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

148540398990 is a wasteful number, since it uses less digits than its factorization.

148540398990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4951346643.

The product of its (nonzero) digits is 11197440, while the sum is 60.

The spelling of 148540398990 in words is "one hundred forty-eight billion, five hundred forty million, three hundred ninety-eight thousand, nine hundred ninety".