151606225 has 24 divisors (see below), whose sum is σ = 206504640. Its totient is φ = 109897920.

The previous prime is 151606211. The next prime is 151606241. The reversal of 151606225 is 522606151.

It is not a de Polignac number, because 151606225 - 2⁷ = 151606097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 151606193 and 151606202.

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, 3987 + ... + 17863.

It is an arithmetic number, because the mean of its divisors is an integer number (8604360).

Almost surely, 2^151606225 is an apocalyptic number.

It is an amenable number.

151606225 is a deficient number, since it is larger than the sum of its proper divisors (54898415).

151606225 is a wasteful number, since it uses less digits than its factorization.

151606225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13929 (or 13924 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 151606225 is about 12312.8479646262. The cubic root of 151606225 is about 533.2190760015.

The spelling of 151606225 in words is "one hundred fifty-one million, six hundred six thousand, two hundred twenty-five".