145161960 has 96 divisors (see below), whose sum is σ = 443478240. Its totient is φ = 38011392.

The previous prime is 145161959. The next prime is 145161967. The reversal of 145161960 is 69161541.

It is not an unprimeable number, because it can be changed into a prime (145161967) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 639367 + ... + 639593.

It is an arithmetic number, because the mean of its divisors is an integer number (4619565).

Almost surely, 2^145161960 is an apocalyptic number.

145161960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145161960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221739120).

145161960 is an abundant number, since it is smaller than the sum of its proper divisors (298316280).

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

145161960 is a wasteful number, since it uses less digits than its factorization.

145161960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 145161960 is about 12048.3177248942. The cubic root of 145161960 is about 525.5543170172.

The spelling of 145161960 in words is "one hundred forty-five million, one hundred sixty-one thousand, nine hundred sixty".