145573307 has 8 divisors (see below), whose sum is σ = 167165760. Its totient is φ = 125373960.

The previous prime is 145573297. The next prime is 145573313. The reversal of 145573307 is 703375541.

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

It is a cyclic number.

It is not a de Polignac number, because 145573307 - 2¹⁴ = 145556923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145573327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348053 + ... + 348470.

It is an arithmetic number, because the mean of its divisors is an integer number (20895720).

Almost surely, 2^145573307 is an apocalyptic number.

145573307 is a deficient number, since it is larger than the sum of its proper divisors (21592453).

145573307 is a wasteful number, since it uses less digits than its factorization.

145573307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696553.

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 145573307 is about 12065.3763720822. The cubic root of 145573307 is about 526.0502718124.

The spelling of 145573307 in words is "one hundred forty-five million, five hundred seventy-three thousand, three hundred seven".