145504132 has 12 divisors (see below), whose sum is σ = 255051916. Its totient is φ = 72632160.

The previous prime is 145504103. The next prime is 145504159. The reversal of 145504132 is 231405541.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4227136 + 141276996 = 2056^2 + 11886^2 .

It is a junction number, because it is equal to n+sod(n) for n = 145504097 and 145504106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27219 + ... + 32122.

Almost surely, 2^145504132 is an apocalyptic number.

It is an amenable number.

145504132 is a deficient number, since it is larger than the sum of its proper divisors (109547784).

145504132 is a wasteful number, since it uses less digits than its factorization.

145504132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59958 (or 59956 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 145504132 is about 12062.5093575093. The cubic root of 145504132 is about 525.9669339766.

Adding to 145504132 its reverse (231405541), we get a palindrome (376909673).

The spelling of 145504132 in words is "one hundred forty-five million, five hundred four thousand, one hundred thirty-two".