148578945 has 8 divisors (see below), whose sum is σ = 237726336. Its totient is φ = 79242096.

The previous prime is 148578923. The next prime is 148578959. The reversal of 148578945 is 549875841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 148578945 - 2⁷ = 148578817 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4952617 + ... + 4952646.

It is an arithmetic number, because the mean of its divisors is an integer number (29715792).

Almost surely, 2^148578945 is an apocalyptic number.

148578945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

148578945 is a deficient number, since it is larger than the sum of its proper divisors (89147391).

148578945 is an equidigital number, since it uses as much as digits as its factorization.

148578945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9905271.

The product of its digits is 1612800, while the sum is 51.

The square root of 148578945 is about 12189.2963291570. The cubic root of 148578945 is about 529.6460731865.

The spelling of 148578945 in words is "one hundred forty-eight million, five hundred seventy-eight thousand, nine hundred forty-five".