148105898 has 4 divisors (see below), whose sum is σ = 222158850. Its totient is φ = 74052948.

The previous prime is 148105897. The next prime is 148105913. The reversal of 148105898 is 898501841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 898501841 = 1783 ⋅503927.

It can be written as a sum of positive squares in only one way, i.e., 120406729 + 27699169 = 10973^2 + 5263^2 .

It is not an unprimeable number, because it can be changed into a prime (148105891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37026473 + ... + 37026476.

Almost surely, 2^148105898 is an apocalyptic number.

148105898 is a deficient number, since it is larger than the sum of its proper divisors (74052952).

148105898 is an equidigital number, since it uses as much as digits as its factorization.

148105898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74052951.

The product of its (nonzero) digits is 92160, while the sum is 44.

The square root of 148105898 is about 12169.8766633027. The cubic root of 148105898 is about 529.0833782597.

The spelling of 148105898 in words is "one hundred forty-eight million, one hundred five thousand, eight hundred ninety-eight".