148619145 has 32 divisors (see below), whose sum is σ = 242565120. Its totient is φ = 77688000.

The previous prime is 148619131. The next prime is 148619147. The reversal of 148619145 is 541916841.

It is not a de Polignac number, because 148619145 - 2⁴ = 148619129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148619147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197520 + ... + 198270.

It is an arithmetic number, because the mean of its divisors is an integer number (7580160).

Almost surely, 2^148619145 is an apocalyptic number.

148619145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

148619145 is a deficient number, since it is larger than the sum of its proper divisors (93945975).

148619145 is a wasteful number, since it uses less digits than its factorization.

148619145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005.

The product of its digits is 34560, while the sum is 39.

The square root of 148619145 is about 12190.9452053563. The cubic root of 148619145 is about 529.6938364641.

The spelling of 148619145 in words is "one hundred forty-eight million, six hundred nineteen thousand, one hundred forty-five".