145213132 has 6 divisors (see below), whose sum is σ = 254122988. Its totient is φ = 72606564.

The previous prime is 145213111. The next prime is 145213151. The reversal of 145213132 is 231312541.

It is a happy number.

145213132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18151638 + ... + 18151645.

Almost surely, 2^145213132 is an apocalyptic number.

It is an amenable number.

145213132 is a deficient number, since it is larger than the sum of its proper divisors (108909856).

145213132 is a wasteful number, since it uses less digits than its factorization.

145213132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36303287 (or 36303285 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 145213132 is about 12050.4411537503. The cubic root of 145213132 is about 525.6160653016.

Adding to 145213132 its reverse (231312541), we get a palindrome (376525673).

The spelling of 145213132 in words is "one hundred forty-five million, two hundred thirteen thousand, one hundred thirty-two".