148299945 has 16 divisors (see below), whose sum is σ = 237511872. Its totient is φ = 79016000.

The previous prime is 148299941. The next prime is 148299973. The reversal of 148299945 is 549992841.

It is not a de Polignac number, because 148299945 - 2² = 148299941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148299941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13195 + ... + 21695.

It is an arithmetic number, because the mean of its divisors is an integer number (14844492).

Almost surely, 2^148299945 is an apocalyptic number.

148299945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

148299945 is a deficient number, since it is larger than the sum of its proper divisors (89211927).

148299945 is a wasteful number, since it uses less digits than its factorization.

148299945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9672.

The product of its digits is 933120, while the sum is 51.

The square root of 148299945 is about 12177.8464844980. The cubic root of 148299945 is about 529.3143441620.

The spelling of 148299945 in words is "one hundred forty-eight million, two hundred ninety-nine thousand, nine hundred forty-five".