145561206 has 16 divisors (see below), whose sum is σ = 332711424. Its totient is φ = 41588904.

The previous prime is 145561139. The next prime is 145561231. The reversal of 145561206 is 602165541.

145561206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 1732830 + ... + 1732913.

It is an arithmetic number, because the mean of its divisors is an integer number (20794464).

Almost surely, 2^145561206 is an apocalyptic number.

145561206 is an abundant number, since it is smaller than the sum of its proper divisors (187150218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145561206 is a wasteful number, since it uses less digits than its factorization.

145561206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465755.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 145561206 is about 12064.8748853853. The cubic root of 145561206 is about 526.0356951685.

The spelling of 145561206 in words is "one hundred forty-five million, five hundred sixty-one thousand, two hundred six".