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145470232 = 2319957041
BaseRepresentation
bin10001010101110…
…11001100011000
3101010201122122101
420222323030120
5244220021412
622233533144
73414322315
oct1052731430
9333648571
10145470232
1175128a36
12408741b4
13241a417b
1415469d0c
15cb87457
hex8abb318

145470232 has 16 divisors (see below), whose sum is σ = 287112600. Its totient is φ = 68906880.

The previous prime is 145470209. The next prime is 145470253. The reversal of 145470232 is 232074541.

It is a self number, because there is not a number n which added to its sum of digits gives 145470232.

It is a congruent number.

It is an unprimeable number.

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, 478369 + ... + 478672.

Almost surely, 2145470232 is an apocalyptic number.

It is an amenable number.

145470232 is a deficient number, since it is larger than the sum of its proper divisors (141642368).

145470232 is a wasteful number, since it uses less digits than its factorization.

145470232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957066 (or 957062 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 145470232 is about 12061.1040953969. The cubic root of 145470232 is about 525.9260836728.

The spelling of 145470232 in words is "one hundred forty-five million, four hundred seventy thousand, two hundred thirty-two".

Divisors: 1 2 4 8 19 38 76 152 957041 1914082 3828164 7656328 18183779 36367558 72735116 145470232