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145470502 = 2101720151
BaseRepresentation
bin10001010101110…
…11010000100110
3101010201200000101
420222323100212
5244220024002
622233534314
73414323152
oct1052732046
9333650011
10145470502
1175129161
124087439a
13241a4328
141546a062
15cb87587
hex8abb426

145470502 has 8 divisors (see below), whose sum is σ = 220366512. Its totient is φ = 72015000.

The previous prime is 145470497. The next prime is 145470503. The reversal of 145470502 is 205074541.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145470503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359874 + ... + 360277.

It is an arithmetic number, because the mean of its divisors is an integer number (27545814).

Almost surely, 2145470502 is an apocalyptic number.

145470502 is a deficient number, since it is larger than the sum of its proper divisors (74896010).

145470502 is a wasteful number, since it uses less digits than its factorization.

145470502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720254.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 145470502 is about 12061.1152883968. The cubic root of 145470502 is about 525.9264090543.

The spelling of 145470502 in words is "one hundred forty-five million, four hundred seventy thousand, five hundred two".

Divisors: 1 2 101 202 720151 1440302 72735251 145470502