148910890 has 8 divisors (see below), whose sum is σ = 268039620. Its totient is φ = 59564352.

The previous prime is 148910873. The next prime is 148910897. The reversal of 148910890 is 98019841.

It can be written as a sum of positive squares in 2 ways, for example, as 141776649 + 7134241 = 11907^2 + 2671^2 .

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 (148910897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7445535 + ... + 7445554.

Almost surely, 2^148910890 is an apocalyptic number.

148910890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148910890 is a deficient number, since it is larger than the sum of its proper divisors (119128730).

148910890 is a wasteful number, since it uses less digits than its factorization.

148910890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14891096.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 148910890 is about 12202.9049820115. The cubic root of 148910890 is about 530.0402129213.

The spelling of 148910890 in words is "one hundred forty-eight million, nine hundred ten thousand, eight hundred ninety".