645093062 has 8 divisors (see below), whose sum is σ = 971979456. Its totient is φ = 321099912.

The previous prime is 645093047. The next prime is 645093077. The reversal of 645093062 is 260390546.

It is an interprime number because it is at equal distance from previous prime (645093047) and next prime (645093077).

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

It is a super-2 number, since 2×645093062² = 832290117281071688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722753 + ... + 723644.

It is an arithmetic number, because the mean of its divisors is an integer number (121497432).

Almost surely, 2^645093062 is an apocalyptic number.

645093062 is a deficient number, since it is larger than the sum of its proper divisors (326886394).

645093062 is a wasteful number, since it uses less digits than its factorization.

645093062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446622.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 645093062 is about 25398.6822886543. The cubic root of 645093062 is about 864.0538116276.

The spelling of 645093062 in words is "six hundred forty-five million, ninety-three thousand, sixty-two".