148539825 has 108 divisors (see below), whose sum is σ = 321594000. Its totient is φ = 67767840.

The previous prime is 148539821. The next prime is 148539847. The reversal of 148539825 is 528935841.

It is not a de Polignac number, because 148539825 - 2² = 148539821 is a prime.

It is a super-2 number, since 2×148539825² = 44128159222061250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (148539821) 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 107 ways as a sum of consecutive naturals, for example, 297426 + ... + 297924.

Almost surely, 2^148539825 is an apocalyptic number.

148539825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

148539825 is an abundant number, since it is smaller than the sum of its proper divisors (173054175).

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

148539825 is an equidigital number, since it uses as much as digits as its factorization.

148539825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 514 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 148539825 is about 12187.6915369565. The cubic root of 148539825 is about 529.5995848295.

The spelling of 148539825 in words is "one hundred forty-eight million, five hundred thirty-nine thousand, eight hundred twenty-five".