149847825 has 24 divisors (see below), whose sum is σ = 253796256. Its totient is φ = 77968000.

The previous prime is 149847767. The next prime is 149847833. The reversal of 149847825 is 528748941.

It is a happy number.

It is not a de Polignac number, because 149847825 - 2¹¹ = 149845777 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21291 + ... + 27440.

It is an arithmetic number, because the mean of its divisors is an integer number (10574844).

Almost surely, 2^149847825 is an apocalyptic number.

149847825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149847825 is a deficient number, since it is larger than the sum of its proper divisors (103948431).

149847825 is a wasteful number, since it uses less digits than its factorization.

149847825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48785 (or 48780 counting only the distinct ones).

The product of its digits is 645120, while the sum is 48.

The square root of 149847825 is about 12241.2346191060. The cubic root of 149847825 is about 531.1495459429.

The spelling of 149847825 in words is "one hundred forty-nine million, eight hundred forty-seven thousand, eight hundred twenty-five".