145615206 has 32 divisors (see below), whose sum is σ = 328665600. Its totient is φ = 42603680.

The previous prime is 145615201. The next prime is 145615207. The reversal of 145615206 is 602516541.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145615201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36126 + ... + 39953.

It is an arithmetic number, because the mean of its divisors is an integer number (10270800).

Almost surely, 2^145615206 is an apocalyptic number.

145615206 is an abundant number, since it is smaller than the sum of its proper divisors (183050394).

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

145615206 is a wasteful number, since it uses less digits than its factorization.

145615206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76124.

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

The square root of 145615206 is about 12067.1125792378. The cubic root of 145615206 is about 526.1007363435.

The spelling of 145615206 in words is "one hundred forty-five million, six hundred fifteen thousand, two hundred six".