161154125 has 16 divisors (see below), whose sum is σ = 219405888. Its totient is φ = 117202000.

The previous prime is 161154121. The next prime is 161154137. The reversal of 161154125 is 521451161.

It is not a de Polignac number, because 161154125 - 2² = 161154121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 161154094 and 161154103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161154121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57227 + ... + 59976.

It is an arithmetic number, because the mean of its divisors is an integer number (13712868).

Almost surely, 2^161154125 is an apocalyptic number.

It is an amenable number.

161154125 is a deficient number, since it is larger than the sum of its proper divisors (58251763).

161154125 is a wasteful number, since it uses less digits than its factorization.

161154125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117229 (or 117219 counting only the distinct ones).

The product of its digits is 1200, while the sum is 26.

The square root of 161154125 is about 12694.6494634551. The cubic root of 161154125 is about 544.1857211268.

The spelling of 161154125 in words is "one hundred sixty-one million, one hundred fifty-four thousand, one hundred twenty-five".