161148548 has 12 divisors (see below), whose sum is σ = 307647312. Its totient is φ = 73249320.

The previous prime is 161148541. The next prime is 161148551. The reversal of 161148548 is 845841161.

161148548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 1831190 + ... + 1831277.

It is an arithmetic number, because the mean of its divisors is an integer number (25637276).

Almost surely, 2^161148548 is an apocalyptic number.

It is an amenable number.

161148548 is a deficient number, since it is larger than the sum of its proper divisors (146498764).

161148548 is a wasteful number, since it uses less digits than its factorization.

161148548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3662482 (or 3662480 counting only the distinct ones).

The product of its digits is 30720, while the sum is 38.

The square root of 161148548 is about 12694.4298020825. The cubic root of 161148548 is about 544.1794435777.

The spelling of 161148548 in words is "one hundred sixty-one million, one hundred forty-eight thousand, five hundred forty-eight".