145431162 has 48 divisors (see below), whose sum is σ = 332579520. Its totient is φ = 45836736.

The previous prime is 145431161. The next prime is 145431163. The reversal of 145431162 is 261134541.

It is a happy number.

145431162 is a `hidden beast` number, since 1 + 4 + 543 + 116 + 2 = 666.

145431162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145431161) and next prime (145431163).

It is not an unprimeable number, because it can be changed into a prime (145431161) 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, 34873 + ... + 38819.

It is an arithmetic number, because the mean of its divisors is an integer number (6928740).

Almost surely, 2^145431162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145431162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166289760).

145431162 is an abundant number, since it is smaller than the sum of its proper divisors (187148358).

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

145431162 is a wasteful number, since it uses less digits than its factorization.

145431162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067 (or 4064 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 145431162 is about 12059.4843173330. The cubic root of 145431162 is about 525.8789955237.

The spelling of 145431162 in words is "one hundred forty-five million, four hundred thirty-one thousand, one hundred sixty-two".