145587945 has 16 divisors (see below), whose sum is σ = 235120320. Its totient is φ = 76920384.

The previous prime is 145587943. The next prime is 145587989. The reversal of 145587945 is 549785541.

It is a happy number.

It is not a de Polignac number, because 145587945 - 2¹ = 145587943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145587894 and 145587903.

It is not an unprimeable number, because it can be changed into a prime (145587941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43750 + ... + 46959.

It is an arithmetic number, because the mean of its divisors is an integer number (14695020).

Almost surely, 2^145587945 is an apocalyptic number.

145587945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145587945 is a deficient number, since it is larger than the sum of its proper divisors (89532375).

145587945 is a wasteful number, since it uses less digits than its factorization.

145587945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90824.

The product of its digits is 1008000, while the sum is 48.

The square root of 145587945 is about 12065.9829686603. The cubic root of 145587945 is about 526.0679034005.

The spelling of 145587945 in words is "one hundred forty-five million, five hundred eighty-seven thousand, nine hundred forty-five".