145205746 has 8 divisors (see below), whose sum is σ = 248924160. Its totient is φ = 62231028.

The previous prime is 145205717. The next prime is 145205747. The reversal of 145205746 is 647502541.

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

It is not an unprimeable number, because it can be changed into a prime (145205747) 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, 5185906 + ... + 5185933.

It is an arithmetic number, because the mean of its divisors is an integer number (31115520).

Almost surely, 2^145205746 is an apocalyptic number.

145205746 is a deficient number, since it is larger than the sum of its proper divisors (103718414).

145205746 is a wasteful number, since it uses less digits than its factorization.

145205746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10371848.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 145205746 is about 12050.1346880439. The cubic root of 145205746 is about 525.6071536510.

The spelling of 145205746 in words is "one hundred forty-five million, two hundred five thousand, seven hundred forty-six".