145797207 has 8 divisors (see below), whose sum is σ = 202848384. Its totient is φ = 92972088.

The previous prime is 145797163. The next prime is 145797217. The reversal of 145797207 is 702797541.

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

It is not a de Polignac number, because 145797207 - 2⁷ = 145797079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145797217) 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, 1056433 + ... + 1056570.

It is an arithmetic number, because the mean of its divisors is an integer number (25356048).

Almost surely, 2^145797207 is an apocalyptic number.

145797207 is a deficient number, since it is larger than the sum of its proper divisors (57051177).

145797207 is a wasteful number, since it uses less digits than its factorization.

145797207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113029.

The product of its (nonzero) digits is 123480, while the sum is 42.

The square root of 145797207 is about 12074.6514235401. The cubic root of 145797207 is about 526.3198320414.

The spelling of 145797207 in words is "one hundred forty-five million, seven hundred ninety-seven thousand, two hundred seven".