148744890 has 96 divisors (see below), whose sum is σ = 461453760. Its totient is φ = 33995808.

The previous prime is 148744853. The next prime is 148744903. The reversal of 148744890 is 98447841.

It is a super-2 number, since 2×148744890² = 44250084602224200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7609 + ... + 18851.

It is an arithmetic number, because the mean of its divisors is an integer number (4806810).

Almost surely, 2^148744890 is an apocalyptic number.

148744890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 148744890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230726880).

148744890 is an abundant number, since it is smaller than the sum of its proper divisors (312708870).

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

148744890 is a wasteful number, since it uses less digits than its factorization.

148744890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11273 (or 11260 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 148744890 is about 12196.1014262755. The cubic root of 148744890 is about 529.8431836995.

The spelling of 148744890 in words is "one hundred forty-eight million, seven hundred forty-four thousand, eight hundred ninety".