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145708694 = 272854347
BaseRepresentation
bin10001010111101…
…01011010010110
3101011011202202022
420223311122112
5244300134234
622243013142
73416334455
oct1053653226
9334152668
10145708694
117528110a
124096a1b2
1324258881
14154ccb9c
15cbd2e2e
hex8af5696

145708694 has 4 divisors (see below), whose sum is σ = 218563044. Its totient is φ = 72854346.

The previous prime is 145708691. The next prime is 145708709. The reversal of 145708694 is 496807541.

145708694 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145708691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36427172 + ... + 36427175.

It is an arithmetic number, because the mean of its divisors is an integer number (54640761).

Almost surely, 2145708694 is an apocalyptic number.

145708694 is a deficient number, since it is larger than the sum of its proper divisors (72854350).

145708694 is an equidigital number, since it uses as much as digits as its factorization.

145708694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72854349.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 145708694 is about 12070.9856267001. The cubic root of 145708694 is about 526.2133014732.

The spelling of 145708694 in words is "one hundred forty-five million, seven hundred eight thousand, six hundred ninety-four".

Divisors: 1 2 72854347 145708694