145736945 has 8 divisors (see below), whose sum is σ = 176262144. Its totient is φ = 115671024.

The previous prime is 145736939. The next prime is 145736953. The reversal of 145736945 is 549637541.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145736945 is a prime.

It is a super-3 number, since 3×145736945³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145736896 and 145736905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114119 + ... + 115388.

It is an arithmetic number, because the mean of its divisors is an integer number (22032768).

Almost surely, 2^145736945 is an apocalyptic number.

It is an amenable number.

145736945 is a deficient number, since it is larger than the sum of its proper divisors (30525199).

145736945 is a wasteful number, since it uses less digits than its factorization.

145736945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229639.

The product of its digits is 453600, while the sum is 44.

The square root of 145736945 is about 12072.1557726862. The cubic root of 145736945 is about 526.2473078890.

The spelling of 145736945 in words is "one hundred forty-five million, seven hundred thirty-six thousand, nine hundred forty-five".