151550225 has 12 divisors (see below), whose sum is σ = 188117424. Its totient is φ = 121114320.

The previous prime is 151550219. The next prime is 151550239. The reversal of 151550225 is 522055151.

It is not a de Polignac number, because 151550225 - 2⁴ = 151550209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151550194 and 151550203.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27122 + ... + 32228.

It is an arithmetic number, because the mean of its divisors is an integer number (15676452).

Almost surely, 2^151550225 is an apocalyptic number.

It is an amenable number.

151550225 is a deficient number, since it is larger than the sum of its proper divisors (36567199).

151550225 is a wasteful number, since it uses less digits than its factorization.

151550225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6304 (or 6299 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 151550225 is about 12310.5737071836. The cubic root of 151550225 is about 533.1534147892.

The spelling of 151550225 in words is "one hundred fifty-one million, five hundred fifty thousand, two hundred twenty-five".