151613225 has 12 divisors (see below), whose sum is σ = 199059804. Its totient is φ = 114155520.

The previous prime is 151613201. The next prime is 151613233. The reversal of 151613225 is 522316151.

It can be written as a sum of positive squares in 6 ways, for example, as 16216729 + 135396496 = 4027^2 + 11636^2 .

It is not a de Polignac number, because 151613225 - 2¹⁶ = 151547689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151613194 and 151613203.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 177944 + ... + 178793.

It is an arithmetic number, because the mean of its divisors is an integer number (16588317).

Almost surely, 2^151613225 is an apocalyptic number.

It is an amenable number.

151613225 is a deficient number, since it is larger than the sum of its proper divisors (47446579).

151613225 is a wasteful number, since it uses less digits than its factorization.

151613225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356764 (or 356759 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 151613225 is about 12313.1322172711. The cubic root of 151613225 is about 533.2272825161.

Adding to 151613225 its reverse (522316151), we get a palindrome (673929376).

It can be divided in two parts, 1516 and 13225, that added together give a palindrome (14741).

The spelling of 151613225 in words is "one hundred fifty-one million, six hundred thirteen thousand, two hundred twenty-five".