645150341 has 16 divisors (see below), whose sum is σ = 724785408. Its totient is φ = 573965920.

The previous prime is 645150307. The next prime is 645150347. The reversal of 645150341 is 143051546.

It is a happy number.

It is not a de Polignac number, because 645150341 - 2¹⁸ = 644888197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (645150347) 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, 57401 + ... + 67713.

It is an arithmetic number, because the mean of its divisors is an integer number (45299088).

Almost surely, 2^645150341 is an apocalyptic number.

It is an amenable number.

645150341 is a deficient number, since it is larger than the sum of its proper divisors (79635067).

645150341 is a wasteful number, since it uses less digits than its factorization.

645150341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10393 (or 10371 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 645150341 is about 25399.8098614931. The cubic root of 645150341 is about 864.0793845133.

The spelling of 645150341 in words is "six hundred forty-five million, one hundred fifty thousand, three hundred forty-one".