161148545 has 8 divisors (see below), whose sum is σ = 195826560. Its totient is φ = 127286640.

The previous prime is 161148541. The next prime is 161148551. The reversal of 161148545 is 545841161.

161148545 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 not a de Polignac number, because 161148545 - 2² = 161148541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161148541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203591 + ... + 204380.

It is an arithmetic number, because the mean of its divisors is an integer number (24478320).

Almost surely, 2^161148545 is an apocalyptic number.

It is an amenable number.

161148545 is a deficient number, since it is larger than the sum of its proper divisors (34678015).

161148545 is an equidigital number, since it uses as much as digits as its factorization.

161148545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408055.

The product of its digits is 19200, while the sum is 35.

The square root of 161148545 is about 12694.4296839204. The cubic root of 161148545 is about 544.1794402008.

The spelling of 161148545 in words is "one hundred sixty-one million, one hundred forty-eight thousand, five hundred forty-five".