145504337 has 32 divisors (see below), whose sum is σ = 173024640. Its totient is φ = 120960000.

The previous prime is 145504327. The next prime is 145504349. The reversal of 145504337 is 733405541.

It is a cyclic number.

It is not a de Polignac number, because 145504337 - 2⁶ = 145504273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145504327) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 1287593 + ... + 1287705.

It is an arithmetic number, because the mean of its divisors is an integer number (5407020).

Almost surely, 2^145504337 is an apocalyptic number.

It is an amenable number.

145504337 is a deficient number, since it is larger than the sum of its proper divisors (27520303).

145504337 is a wasteful number, since it uses less digits than its factorization.

145504337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 145504337 is about 12062.5178549091. The cubic root of 145504337 is about 525.9671809871.

Adding to 145504337 its reverse (733405541), we get a palindrome (878909878).

The spelling of 145504337 in words is "one hundred forty-five million, five hundred four thousand, three hundred thirty-seven".