145009437 has 8 divisors (see below), whose sum is σ = 195260640. Its totient is φ = 95715600.

The previous prime is 145009393. The next prime is 145009451. The reversal of 145009437 is 734900541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145009437 - 2²³ = 136620829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145009398 and 145009407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145009237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238987 + ... + 239592.

It is an arithmetic number, because the mean of its divisors is an integer number (24407580).

Almost surely, 2^145009437 is an apocalyptic number.

It is an amenable number.

145009437 is a deficient number, since it is larger than the sum of its proper divisors (50251203).

145009437 is a wasteful number, since it uses less digits than its factorization.

145009437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478683.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 145009437 is about 12041.9864225135. The cubic root of 145009437 is about 525.3701842684.

Adding to 145009437 its reverse (734900541), we get a palindrome (879909978).

The spelling of 145009437 in words is "one hundred forty-five million, nine thousand, four hundred thirty-seven".