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145570461 = 361795467
BaseRepresentation
bin10001010110100…
…11101010011101
3101010220202010120
420223103222131
5244231223321
622240025153
73415220451
oct1053235235
9333822116
10145570461
1175197273
12409021b9
132420a98a
1415494661
15cba6ec6
hex8ad3a9d

145570461 has 8 divisors (see below), whose sum is σ = 197276064. Its totient is φ = 95455920.

The previous prime is 145570417. The next prime is 145570483. The reversal of 145570461 is 164075541.

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

It is not a de Polignac number, because 145570461 - 211 = 145568413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145570861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397551 + ... + 397916.

It is an arithmetic number, because the mean of its divisors is an integer number (24659508).

Almost surely, 2145570461 is an apocalyptic number.

It is an amenable number.

145570461 is a deficient number, since it is larger than the sum of its proper divisors (51705603).

145570461 is an equidigital number, since it uses as much as digits as its factorization.

145570461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795531.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 145570461 is about 12065.2584307175. The cubic root of 145570461 is about 526.0468436453.

The spelling of 145570461 in words is "one hundred forty-five million, five hundred seventy thousand, four hundred sixty-one".

Divisors: 1 3 61 183 795467 2386401 48523487 145570461