145045437 has 4 divisors (see below), whose sum is σ = 193393920. Its totient is φ = 96696956.

The previous prime is 145045339. The next prime is 145045451. The reversal of 145045437 is 734540541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145045437 - 2⁸ = 145045181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145045398 and 145045407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145045237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24174237 + ... + 24174242.

It is an arithmetic number, because the mean of its divisors is an integer number (48348480).

Almost surely, 2^145045437 is an apocalyptic number.

It is an amenable number.

145045437 is a deficient number, since it is larger than the sum of its proper divisors (48348483).

145045437 is an equidigital number, since it uses as much as digits as its factorization.

145045437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48348482.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 145045437 is about 12043.4810997485. The cubic root of 145045437 is about 525.4136567534.

Adding to 145045437 its reverse (734540541), we get a palindrome (879585978).

The spelling of 145045437 in words is "one hundred forty-five million, forty-five thousand, four hundred thirty-seven".