161237148 has 24 divisors (see below), whose sum is σ = 377018880. Its totient is φ = 53631600.

The previous prime is 161237113. The next prime is 161237149. The reversal of 161237148 is 841732161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161237149) 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, 8278 + ... + 19773.

It is an arithmetic number, because the mean of its divisors is an integer number (15709120).

Almost surely, 2^161237148 is an apocalyptic number.

It is an amenable number.

161237148 is an abundant number, since it is smaller than the sum of its proper divisors (215781732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161237148 is a wasteful number, since it uses less digits than its factorization.

161237148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28537 (or 28535 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 161237148 is about 12697.9190421108. The cubic root of 161237148 is about 544.2791558533.

The spelling of 161237148 in words is "one hundred sixty-one million, two hundred thirty-seven thousand, one hundred forty-eight".