145788707 has 4 divisors (see below), whose sum is σ = 146431176. Its totient is φ = 145146240.

The previous prime is 145788679. The next prime is 145788749. The reversal of 145788707 is 707887541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145788707 - 2⁸ = 145788451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145788607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320894 + ... + 321347.

It is an arithmetic number, because the mean of its divisors is an integer number (36607794).

Almost surely, 2^145788707 is an apocalyptic number.

145788707 is a deficient number, since it is larger than the sum of its proper divisors (642469).

145788707 is an equidigital number, since it uses as much as digits as its factorization.

145788707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642468.

The product of its (nonzero) digits is 439040, while the sum is 47.

The square root of 145788707 is about 12074.2994413755. The cubic root of 145788707 is about 526.3096036664.

The spelling of 145788707 in words is "one hundred forty-five million, seven hundred eighty-eight thousand, seven hundred seven".