145004432 has 10 divisors (see below), whose sum is σ = 280946118. Its totient is φ = 72502208.

The previous prime is 145004423. The next prime is 145004459. The reversal of 145004432 is 234400541.

It can be written as a sum of positive squares in only one way, i.e., 138674176 + 6330256 = 11776^2 + 2516^2 .

It is a junction number, because it is equal to n+sod(n) for n = 145004398 and 145004407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4531373 + ... + 4531404.

Almost surely, 2^145004432 is an apocalyptic number.

It is an amenable number.

145004432 is a deficient number, since it is larger than the sum of its proper divisors (135941686).

145004432 is an equidigital number, since it uses as much as digits as its factorization.

145004432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9062785 (or 9062779 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 145004432 is about 12041.7786061694. The cubic root of 145004432 is about 525.3641398158.

Adding to 145004432 its reverse (234400541), we get a palindrome (379404973).

The spelling of 145004432 in words is "one hundred forty-five million, four thousand, four hundred thirty-two".