148691025 has 48 divisors (see below), whose sum is σ = 312182400. Its totient is φ = 67970880.

The previous prime is 148690967. The next prime is 148691071. The reversal of 148691025 is 520196841.

It is not a de Polignac number, because 148691025 - 2⁸ = 148690769 is a prime.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 11010 + ... + 20459.

It is an arithmetic number, because the mean of its divisors is an integer number (6503800).

Almost surely, 2^148691025 is an apocalyptic number.

148691025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

148691025 is an abundant number, since it is smaller than the sum of its proper divisors (163491375).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148691025 is a wasteful number, since it uses less digits than its factorization.

148691025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31495 (or 31484 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 148691025 is about 12193.8929386804. The cubic root of 148691025 is about 529.7792185916.

The spelling of 148691025 in words is "one hundred forty-eight million, six hundred ninety-one thousand, twenty-five".