149225847 has 32 divisors (see below), whose sum is σ = 223432704. Its totient is φ = 88128000.

The previous prime is 149225827. The next prime is 149225849. The reversal of 149225847 is 748522941.

It is not a de Polignac number, because 149225847 - 2⁷ = 149225719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149225799 and 149225808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149225849) 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 31 ways as a sum of consecutive naturals, for example, 57222 + ... + 59772.

It is an arithmetic number, because the mean of its divisors is an integer number (6982272).

Almost surely, 2^149225847 is an apocalyptic number.

149225847 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

149225847 is a deficient number, since it is larger than the sum of its proper divisors (74206857).

149225847 is a wasteful number, since it uses less digits than its factorization.

149225847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639.

The product of its digits is 161280, while the sum is 42.

The square root of 149225847 is about 12215.8031663907. The cubic root of 149225847 is about 530.4136405395.

The spelling of 149225847 in words is "one hundred forty-nine million, two hundred twenty-five thousand, eight hundred forty-seven".