161545414 has 8 divisors (see below), whose sum is σ = 243536400. Its totient is φ = 80366616.

The previous prime is 161545409. The next prime is 161545421. The reversal of 161545414 is 414545161.

161545414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202549 + ... + 203344.

It is an arithmetic number, because the mean of its divisors is an integer number (30442050).

Almost surely, 2^161545414 is an apocalyptic number.

161545414 is a deficient number, since it is larger than the sum of its proper divisors (81990986).

161545414 is a wasteful number, since it uses less digits than its factorization.

161545414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406094.

The product of its digits is 9600, while the sum is 31.

The square root of 161545414 is about 12710.0516914763. The cubic root of 161545414 is about 544.6258004220.

The spelling of 161545414 in words is "one hundred sixty-one million, five hundred forty-five thousand, four hundred fourteen".