161527045 has 8 divisors (see below), whose sum is σ = 202260096. Its totient is φ = 123603216.

The previous prime is 161527039. The next prime is 161527057. The reversal of 161527045 is 540725161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 161527045 - 2¹¹ = 161524997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 161526998 and 161527016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 702177 + ... + 702406.

It is an arithmetic number, because the mean of its divisors is an integer number (25282512).

Almost surely, 2^161527045 is an apocalyptic number.

It is an amenable number.

161527045 is a deficient number, since it is larger than the sum of its proper divisors (40733051).

161527045 is a wasteful number, since it uses less digits than its factorization.

161527045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404611.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 161527045 is about 12709.3290538879. The cubic root of 161527045 is about 544.6051568760.

The spelling of 161527045 in words is "one hundred sixty-one million, five hundred twenty-seven thousand, forty-five".