148428690 has 32 divisors (see below), whose sum is σ = 364516416. Its totient is φ = 38660160.

The previous prime is 148428659. The next prime is 148428697. The reversal of 148428690 is 96824841.

148428690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×148428690² = 44062152030232200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (148428697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56241 + ... + 58820.

It is an arithmetic number, because the mean of its divisors is an integer number (11391138).

Almost surely, 2^148428690 is an apocalyptic number.

148428690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148428690 is an abundant number, since it is smaller than the sum of its proper divisors (216087726).

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

148428690 is a wasteful number, since it uses less digits than its factorization.

148428690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115114.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 148428690 is about 12183.1313708751. The cubic root of 148428690 is about 529.4674727072.

It can be divided in two parts, 14842 and 8690, that added together give a palindrome (23532).

The spelling of 148428690 in words is "one hundred forty-eight million, four hundred twenty-eight thousand, six hundred ninety".